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nextcloud server

183 known vulnerabilities across versions
Vulnerabilities are listed by affected version. Select any CVE for the full briefing and its intelligence graph.
CVE-2025-64011
all versions
Nextcloud Server 30.0.0 is vulnerable to an Insecure Direct Object Reference (IDOR) in the /core/preview endpoint. Any authenticat
4.3MEDIUM
CVE-2025-66552
>= 30.0.0 and < 30.0.9
Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Enterprise Server prior to 30.0.9 and 31.0.1, inc
4.3MEDIUM
CVE-2025-66547
>= 31.0.0 and < 31.0.1
Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Enterprise Server prior to 31.0.1, non-privileged
4.3MEDIUM
CVE-2025-66512
>= 31.0.0 and < 31.0.12
Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Server Enterprise prior to 31.0.12 and 32.0.3, a
5.4MEDIUM
CVE-2025-66510
>= 31.0.0 and < 31.0.10
Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 31.0.10 and 32.0.1 and Nextcloud Enterprise
4.5MEDIUM
CVE-2025-59788
>= 30.0.0 and < 30.0.17
Cross-site scripting (XSS) vulnerability in a reachable files_pdfviewer example directory in Nextcloud with versions before 22.2.1
6.4MEDIUM
CVE-2025-47794
>= 29.0.0 and < 29.0.13
Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 29.0.13, 30.0.7, and 31.0.1 and Nextcloud En
2.6LOW
CVE-2025-47793
>= 29.0.0 and < 29.0.9
Nextcloud Server is a self hosted personal cloud system, and the Nextcloud Groupfolders app provides admin-configured folders shar
4.3MEDIUM
CVE-2025-47791
>= 28.0.0 and < 28.0.13
Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 28.0.13, 29.0.10, and 30.0.3 and Nextcloud E
4.3MEDIUM
CVE-2025-47790
>= 29.0.0 and < 29.0.15
Nextcloud Server is a self hosted personal cloud system. Nextcloud Server prior to 29.0.15, 30.0.9, and 31.0.3 and Nextcloud Enter
6.4MEDIUM
CVE-2024-52514
>= 27.0.0 and < 27.1.9
Nextcloud Server is a self hosted personal cloud system. After a user received a share with some files inside being blocked by the
4.1MEDIUM
CVE-2024-52513
>= 28.0.0 and < 28.0.11
Nextcloud Server is a self hosted personal cloud system. After receiving a "Files drop" or "Password protected" share link a malic
2.6LOW
CVE-2024-52525
>= 28.0.0 and < 28.0.12
Nextcloud Server is a self hosted personal cloud system. Under certain conditions the password of a user was stored unencrypted in
1.8LOW
CVE-2024-52523
>= 28.0.0 and < 28.0.12
Nextcloud Server is a self hosted personal cloud system. After setting up a user or administrator defined external storage with fi
4.6MEDIUM
CVE-2024-52521
>= 28.0.0 and < 28.0.10
Nextcloud Server is a self hosted personal cloud system. MD5 hashes were used to check background jobs for their uniqueness. This
2.6LOW
CVE-2024-52520
>= 28.0.0 and < 28.0.10
Nextcloud Server is a self hosted personal cloud system. Due to a pre-flighted HEAD request, the link reference provider could be
5.7MEDIUM
CVE-2024-52519
>= 28.0.0 and < 28.0.10
Nextcloud Server is a self hosted personal cloud system. The OAuth2 client secrets were stored in a recoverable way, so that an at
2.7LOW
CVE-2024-52518
>= 28.0.0 and < 28.0.12
Nextcloud Server is a self hosted personal cloud system. After an attacker got access to the session of a user or administrator, t
4.4MEDIUM
CVE-2024-52517
>= 28.0.0 and < 28.0.11
Nextcloud Server is a self hosted personal cloud system. After storing "Global credentials" on the server, the API returns them an
4.6MEDIUM
CVE-2024-52516
>= 28.0.0 and < 28.0.9
Nextcloud Server is a self hosted personal cloud system. When a server is configured to only allow sharing with users that are in
3.0LOW
CVE-2024-52515
>= 27.0.0 and < 27.1.10
Nextcloud Server is a self hosted personal cloud system. After an admin enables the default-disabled SVG preview provider, a malic
5.7MEDIUM
CVE-2024-37887
>= 27.0.0 and < 27.1.10
Nextcloud Server is a self hosted personal cloud system. Private shared calendar events' recurrence exceptions can be read by shar
3.5LOW
CVE-2024-37884
>= 26.0.0 and < 26.0.13
Nextcloud Server is a self hosted personal cloud system. A malicious user was able to send delete requests for old versions of fil
3.5LOW
CVE-2024-37882
>= 26.0.0 and < 26.0.13
Nextcloud Server is a self hosted personal cloud system. A recipient of a share with read&share permissions could reshare the item
8.1HIGH
CVE-2024-37315
>= 26.0.0 and < 26.0.12
Nextcloud Server is a self hosted personal cloud system. An attacker with read-only access to a file is able to restore older vers
3.5LOW
CVE-2024-37314
>= 25.0.0 and < 25.0.7
Nextcloud Photos is a photo management app. Users can remove photos from the album of registered users. It is recommended that the
3.5LOW
CVE-2024-37313
>= 26.0.0 and < 26.0.13
Nextcloud server is a self hosted personal cloud system. Under some circumstance it was possible to bypass the second factor of 2F
7.3HIGH
CVE-2024-22403
< 28.0.0
Nextcloud server is a self hosted personal cloud system. In affected versions OAuth codes did not expire. When an attacker would g
3.0LOW
CVE-2023-49792
>= 26.0.0 and < 26.0.9
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server prior to versions 26.0.9
5.3MEDIUM
CVE-2023-49791
>= 26.0.0 and < 26.0.9
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server prior to versions 26.0.9
5.4MEDIUM
CVE-2023-48306
>= 25.0.0 and < 25.0.11
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versi
5.0MEDIUM
CVE-2023-48305
>= 25.0.0 and < 25.0.11
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versi
4.2MEDIUM
CVE-2023-48304
>= 25.0.0 and < 25.0.11
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versi
4.3MEDIUM
CVE-2023-48303
>= 25.0.0 and < 25.0.11
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versi
2.4LOW
CVE-2023-48302
>= 25.0.0 and < 25.0.13
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versi
3.5LOW
CVE-2023-48301
>= 25.0.0 and <= 25.0.13
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versi
3.5LOW
CVE-2023-48239
>= 25.0.0 and < 25.0.13
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versi
8.5HIGH
CVE-2023-45151
>= 25.0.0 and < 25.0.8
Nextcloud server is an open source home cloud platform. Affected versions of Nextcloud stored OAuth2 tokens in plaintext which all
6.5MEDIUM
CVE-2023-45148
>= 25.0.0 and < 25.0.11
Nextcloud is an open source home cloud server. When Memcached is used as memcache.distributed the rate limiting in Nextcloud Ser
4.3MEDIUM
CVE-2023-39960
>= 25.0.0 and < 25.0.9
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server starting with 25.0.0 and
5.0MEDIUM
CVE-2023-39963
>= 25.0.0 and < 25.0.9
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 20.0.0 and prior to versi
8.1HIGH
CVE-2023-39962
>= 25.0.0 and < 25.0.9
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 19.0.0 and prior to versi
7.7HIGH
CVE-2023-39961
>= 25.0.0 and < 25.0.9
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 24.0.4 and prior to versi
3.5LOW
CVE-2023-39959
>= 25.0.0 and < 25.0.9
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versi
3.5LOW
CVE-2023-39958
>= 25.0.0 and < 25.0.9
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versi
5.8MEDIUM
CVE-2023-39952
>= 25.0.0 and < 25.0.8
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versi
6.5MEDIUM
CVE-2023-35928
>= 25.0.0 and < 25.0.7
Nextcloud Server is a space for data storage on Nextcloud, a self-hosted productivity playform. In NextCloud Server versions 25.0.
8.4HIGH
CVE-2023-35927
>= 25.0.0 and < 25.0.7
NextCloud Server and NextCloud Enterprise Server provide file storage for Nextcloud, a self-hosted productivity platform. In NextC
7.6HIGH
CVE-2023-35172
>= 25.0.0 and < 25.0.7
NextCloud Server and NextCloud Enterprise Server provide file storage for Nextcloud, a self-hosted productivity platform. In NextC
8.7HIGH
CVE-2023-35171
>= 26.0.0 and < 26.0.2
NextCloud Server and NextCloud Enterprise Server provide file storage for Nextcloud, a self-hosted productivity platform. Starting
4.1MEDIUM
CVE-2023-32320
>= 25.0.0 and < 25.0.7
Nextcloud Server is a data storage system for Nextcloud, a self-hosted productivity platform. When multiple requests are sent in p
8.7HIGH
CVE-2023-32319
>= 24.0.0 and < 24.0.11
Nextcloud server is an open source personal cloud implementation. Missing brute-force protection on the WebDAV endpoints via the b
8.1HIGH
CVE-2023-32318
>= 25.0.2 and < 25.0.6
Nextcloud server provides a home for data. A regression in the session handling between Nextcloud Server and the Nextcloud Text ap
7.2HIGH
CVE-2023-28847
>= 24.0.0 and < 24.0.11
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. In Nextcloud Server 24.0.0 prior
3.1LOW
CVE-2023-30539
>= 24.0.0 and < 24.0.11
Nextcloud is a personal home server system. Depending on the set up tags and other workflows this issue can be used to limit acces
6.5MEDIUM
CVE-2023-28834
>= 24.0.0 and < 24.0.10
Nextcloud Server is an open source personal cloud server. Nextcloud Server 24.0.0 until 24.0.6 and 25.0.0 until 25.0.4, as well as
3.5LOW
CVE-2023-28844
>= 24.0.4 and < 24.0.10
Nextcloud server is an open source home cloud implementation. In affected versions users that should not be able to download a fil
5.7MEDIUM
CVE-2023-28835
>= 24.0.0 and < 24.0.10
Nextcloud server is an open source home cloud implementation. In affected versions the generated fallback password when creating a
3.5LOW
CVE-2023-28833
>= 24.0.0 and < 24.0.10
Nextcloud server is an open source home cloud implementation. In affected versions admins of a server were able to upload a logo o
2.4LOW
CVE-2023-28644
>= 25.0.0 and < 25.0.3
Nextcloud server is an open source home cloud implementation. In releases of the 25.0.x branch before 25.0.3 an inefficient fetch
5.7MEDIUM
CVE-2023-28643
>= 24.0.0 and < 24.0.9
Nextcloud server is an open source home cloud implementation. In affected versions when a recipient receives 2 shares with the sam
5.5MEDIUM
CVE-2023-26482
>= 24.0.0 and < 24.0.10
Nextcloud server is an open source home cloud implementation. In affected versions a missing scope validation allowed users to cre
9.0CRITICAL
CVE-2023-25817
>= 24.0.0 and < 24.0.9
Nextcloud server is an open source, personal cloud implementation. In versions from 24.0.0 and before 24.0.9 a user could escalate
3.5LOW
CVE-2023-25818
>= 24.0.0 and < 24.0.10
Nextcloud server is an open source, personal cloud implementation. In affected versions a malicious user could try to reset the pa
5.3MEDIUM
CVE-2023-25820
>= 24.0.0 and < 24.0.10
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Enterprise Server i
4.2MEDIUM
CVE-2023-25821
>= 24.0.4 and < 24.0.7
Nextcloud is an Open Source private cloud software. Versions 24.0.4 and above, prior to 24.0.7, and 25.0.0 and above, prior to 25.
5.7MEDIUM
CVE-2023-25816
>= 25.0.0 and < 25.0.3
Nextcloud is an Open Source private cloud software. Versions 25.0.0 and above, prior to 25.0.3, are subject to Uncontrolled Resour
4.3MEDIUM
CVE-2023-25579
< 23.0.12
Nextcloud server is a self hosted home cloud product. In affected versions the OC\Files\Node\Folder::getFullPath() function was
6.0MEDIUM
CVE-2023-25162
< 23.0.12
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server prior to 24.0.8
5.3MEDIUM
CVE-2023-25161
< 23.0.12
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server and Nextcloud En
3.7LOW
CVE-2023-25159
>= 24.0.4 and <= 24.0.8
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Office is a documen
2.3LOW
CVE-2022-41970
>= 24.0.0 and < 24.0.7
Nextcloud Server is an open source personal cloud server. Prior to versions 24.0.7 and 25.0.1, disabled download shares still allo
2.6LOW
CVE-2022-41969
>= 23.0.0 and < 23.0.11
Nextcloud Server is an open source personal cloud server. Prior to versions 23.0.11, 24.0.7, and 25.0.0, there is no password leng
2.4LOW
CVE-2022-41968
>= 23.0.0 and < 23.0.10
Nextcloud Server is an open source personal cloud server. Prior to versions 23.0.10 and 24.0.5, calendar name lengths are not vali
3.5LOW
CVE-2022-39346
< 22.2.10
Nextcloud server is an open source personal cloud server. Affected versions of nextcloud server did not properly limit user displa
3.5LOW
CVE-2022-39364
< 23.0.9
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. In Nextcloud Server prior to vers
4.0MEDIUM
CVE-2022-39330
< 23.0.10
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server prior to version
4.8MEDIUM
CVE-2022-39329
< 23.0.9
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Nextcloud Server and Nextcloud En
3.5LOW
CVE-2022-39211
< 23.0.8
Nextcloud server is an open source personal cloud platform. In affected versions it was found that locally running webservices can
3.0LOW
CVE-2022-36074
< 23.0.7
Nextcloud server is an open source personal cloud product. Affected versions of this package are vulnerable to Information Exposur
6.4MEDIUM
CVE-2022-31120
< 22.2.7
Nextcloud server is an open source personal cloud solution. The audit log is used to get a full trail of the actions which has bee
2.1LOW
CVE-2022-31118
< 22.2.9
Nextcloud server is an open source personal cloud solution. In affected versions an attacker could brute force to find if federate
6.5MEDIUM
CVE-2022-31014
< 22.2.8
Nextcloud server is an open source personal cloud server. Affected versions were found to be vulnerable to SMTP command injection.
5.4MEDIUM
CVE-2022-29243
< 22.2.7
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Prior to versions 22.2.7 and 23.0
4.3MEDIUM
CVE-2022-29163
< 22.2.6
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Prior to versions 22.2.6 and 23.0
3.5LOW
CVE-2022-24889
< 21.0.8
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Prior to versions 21.0.8, 22.2.4,
2.4LOW
CVE-2022-24888
< 20.0.14.4
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform. Prior to versions 20.0.14.4, 21.0
4.3MEDIUM
CVE-2021-41233
< 20.0.14
Nextcloud text is a collaborative document editing using Markdown built for the nextcloud server. Due to an issue with the Nextclo
6.5MEDIUM
CVE-2022-24741
>= 21.0.0 and < 21.0.8
Nextcloud server is an open source, self hosted cloud style services platform. In affected versions an attacker can cause a denial
3.5LOW
CVE-2021-41241
< 20.0.14
Nextcloud server is a self hosted system designed to provide cloud style services. The groupfolders application for Nextcloud allo
4.3MEDIUM
CVE-2021-41239
< 20.0.14
Nextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did no
5.3MEDIUM
CVE-2021-41179
>= 20.0.3 and < 20.0.13
Nextcloud is an open-source, self-hosted productivity platform. Prior to Nextcloud Server versions 20.0.13, 21.0.5, and 22.2.0, th
6.5MEDIUM
CVE-2021-41178
>= 20.0.3 and < 20.0.13
Nextcloud is an open-source, self-hosted productivity platform. Prior to versions 20.0.13, 21.0.5, and 22.2.0, a file traversal vu
8.8HIGH
CVE-2021-41177
< 20.0.13
Nextcloud is an open-source, self-hosted productivity platform. Prior to versions 20.0.13, 21.0.5, and 22.2.0, Nextcloud Server di
8.1HIGH
CVE-2021-32802
< 20.0.12
Nextcloud server is an open source, self hosted personal cloud. Nextcloud supports rendering image previews for user provided file
9.3CRITICAL
CVE-2021-32801
< 20.0.12
Nextcloud server is an open source, self hosted personal cloud. In affected versions logging of exceptions may have resulted in lo
5.5MEDIUM
CVE-2021-32800
< 20.0.12
Nextcloud server is an open source, self hosted personal cloud. In affected versions an attacker is able to bypass Two Factor Auth
8.1HIGH
CVE-2021-32766
< 20.0.12
Nextcloud Text is an open source plaintext editing application which ships with the nextcloud server. In affected versions the Nex
5.3MEDIUM
CVE-2021-32741
< 19.0.13
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, there was a l
5.3MEDIUM
CVE-2021-32734
< 19.0.13
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, the Nextcloud
3.1LOW
CVE-2021-32733
< 19.0.13
Nextcloud Text is a collaborative document editing application that uses Markdown. A cross-site scripting vulnerability is present
4.8MEDIUM
CVE-2021-32726
< 19.0.13
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, webauthn toke
7.1HIGH
CVE-2021-32725
< 19.0.13
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, default share
3.5LOW
CVE-2021-32705
< 19.0.13
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, there was a l
5.3MEDIUM
CVE-2021-32703
< 19.0.13
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, there was a l
5.3MEDIUM
CVE-2021-32688
< 19.0.13
Nextcloud Server is a Nextcloud package that handles data storage. Nextcloud Server supports application specific tokens for authe
8.8HIGH
CVE-2021-32680
< 19.0.13
Nextcloud Server is a Nextcloud package that handles data storage. In versions priot to 19.0.13, 20.0.11, and 21.0.3, Nextcloud Se
3.3LOW
CVE-2021-32679
< 19.0.13
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.0.11, and 21.0.3, filenames wh
3.5LOW
CVE-2021-32678
< 19.0.13
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.0.11, and 21.0.3, ratelimits a
3.7LOW
CVE-2021-22915
< 19.0.11
Nextcloud server before 19.0.11, 20.0.10, 21.0.2 is vulnerable to brute force attacks due to lack of inclusion of IPv6 subnets in
9.8CRITICAL
CVE-2021-32657
< 19.0.11
Nextcloud Server is a Nextcloud package that handles data storage. In versions of Nextcloud Server prior to 10.0.11, 20.0.10, and
4.3MEDIUM
CVE-2021-32656
< 19.0.11
Nextcloud Server is a Nextcloud package that handles data storage. A vulnerability in federated share exists in versions prior to
8.6HIGH
CVE-2021-32655
< 19.0.11
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.11, 20.0.10, and 21.0.2, an attacker
3.5LOW
CVE-2021-32654
< 19.0.11
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.11, 20.0.10, and 21.0.2, an attacker
8.1HIGH
CVE-2021-32653
< 19.0.11
Nextcloud Server is a Nextcloud package that handles data storage. Nextcloud Server versions prior to 19.0.11, 20.0.10, or 21.0.2
2.7LOW
CVE-2021-22878
< 20.0.6
Nextcloud Server prior to 20.0.6 is vulnerable to reflected cross-site scripting (XSS) due to lack of sanitization in `OC.Notifica
4.8MEDIUM
CVE-2021-22877
< 20.0.6
A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storag
6.5MEDIUM
CVE-2020-8296
< 20.0.0
Nextcloud Server prior to 20.0.0 stores passwords in a recoverable format even when external storage is not configured.
6.7MEDIUM
CVE-2020-8294
< 18.0.11
A missing link validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows execution of a stored XSS attack using Interne
5.4MEDIUM
CVE-2020-8295
< 20.0.0
A wrong check in Nextcloud Server 19 and prior allowed to perform a denial of service attack when resetting the password for a use
7.5HIGH
CVE-2020-8293
< 18.0.11
A missing input validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows users to store unlimited data in workflow rul
6.5MEDIUM
CVE-2020-8259
< 20.0.0
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the encryptio
8.1HIGH
CVE-2020-8152
< 20.0.0
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the public ke
4.4MEDIUM
CVE-2020-8150
< 19.0.2
A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of
4.1MEDIUM
CVE-2020-8133
all versions
A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in
5.3MEDIUM
CVE-2020-8236
< 19.0.2
A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor ver
6.8MEDIUM
CVE-2020-8183
< 18.0.6
A logic error in Nextcloud Server 19.0.0 caused a plaintext storage of the share password when it was given on the initial create
7.5HIGH
CVE-2020-8173
< 17.0.7
A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than
2.2LOW
CVE-2020-8223
all versions
A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions
6.5MEDIUM
CVE-2020-8155
< 18.0.3
An outdated 3rd party library in the Files PDF viewer for Nextcloud Server 18.0.2 caused a Cross-site scripting vulnerability when
5.4MEDIUM
CVE-2020-8154
< 17.0.5
An Insecure direct object reference vulnerability in Nextcloud Server 18.0.2 allowed an attacker to remote wipe devices of other u
7.7HIGH
CVE-2020-8139
>= 16.0.0 and < 16.0.9
A missing access control check in Nextcloud Server < 18.0.1, < 17.0.4, and < 16.0.9 causes hide-download shares to be downloadable
6.5MEDIUM
CVE-2020-8138
< 15.0.14
A missing check for IPv4 nested inside IPv6 in Nextcloud server < 17.0.1, < 16.0.7, and < 15.0.14 allowed a Server-Side Request Fo
6.5MEDIUM
CVE-2020-8122
< 12.0.13
A missing check in Nextcloud Server 14.0.3 could give recipient the possibility to extend the expiration date of a share they rece
4.3MEDIUM
CVE-2020-8121
< 13.0.9
A bug in Nextcloud Server 14.0.4 could expose more data in reshared link shares than intended by the sharer.
8.1HIGH
CVE-2020-8120
all versions
A reflected Cross-Site Scripting vulnerability in Nextcloud Server 16.0.1 was discovered in the svg generation.
6.1MEDIUM
CVE-2020-8119
< 15.0.13
Improper authorization in Nextcloud server 17.0.0 causes leaking of previews and files when a file-drop share link is opened via t
4.3MEDIUM
CVE-2020-8118
< 15.0.9
An authenticated server-side request forgery in Nextcloud server 16.0.1 allowed to detect local and remote services when adding a
5.0MEDIUM
CVE-2020-8117
< 12.0.13
Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public ev
4.3MEDIUM
CVE-2019-15624
< 14.0.11
Improper Input Validation in Nextcloud Server 15.0.7 allows group admins to create users with IDs of system folders.
4.9MEDIUM
CVE-2019-15623
< 14.0.13
Exposure of Private Information in Nextcloud Server 16.0.1 causes the server to send it's domain and user IDs to the Nextcloud Loo
5.3MEDIUM
CVE-2019-15621
< 14.0.13
Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when shar
6.5MEDIUM
CVE-2019-15619
< 16.0.4
Improper neutralization of file names, conversation names and board names in Nextcloud Server 16.0.3, Nextcloud Talk 6.0.3 and Nex
4.8MEDIUM
CVE-2019-15618
< 14.0.9
Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious loc
4.8MEDIUM
CVE-2019-15617
< 17.0.1
A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login.
5.4MEDIUM
CVE-2019-15616
< 17.0.0
Dangling remote share attempts in Nextcloud 16 allow a DNS pollution when running long.
4.3MEDIUM
CVE-2019-15613
< 15.0.14
A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mime
8.0HIGH
CVE-2019-15612
>= 13.0.0 and < 13.0.11
A bug in Nextcloud Server 15.0.2 causes pending 2FA logins to not be correctly expired when the password of the user is reset.
5.9MEDIUM
CVE-2019-5451
< 3.6.1
Bypass lock protection in the Nextcloud Android app prior to version 3.6.1 allows accessing the files when repeatedly opening and
4.6MEDIUM
CVE-2019-5449
< 15.0.1
A missing check in the Nextcloud Server prior to version 15.0.1 causes leaking of calendar event names when adding or modifying co
4.3MEDIUM
CVE-2018-16467
< 14.0.0
A missing check in Nextcloud Server prior to 14.0.0 could give unauthorized access to the previews of single file password protect
5.3MEDIUM
CVE-2018-16466
< 12.0.11
Improper revalidation of permissions in Nextcloud Server prior to 14.0.0, 13.0.6 and 12.0.11 lead to not accepting access restrict
8.1HIGH
CVE-2018-16465
< 14.0.0
Missing state in Nextcloud Server prior to 14.0.0 would not enforce the use of a second factor at login if the provider of the
5.3MEDIUM
CVE-2018-16464
< 14.0.0
A missing access check in Nextcloud Server prior to 14.0.0 could lead to continued access to password protected link shares when t
5.7MEDIUM
CVE-2018-16463
< 12.0.8
A bug causing session fixation in Nextcloud Server prior to 14.0.0, 13.0.3 and 12.0.8 could potentially allow an attacker to obtai
3.1LOW
CVE-2018-3780
< 13.0.5
A missing sanitization of search results for an autocomplete field in NextCloud Server <13.0.5 could lead to a stored XSS requirin
5.4MEDIUM
CVE-2018-3776
>= 11.0.0 and < 11.0.5
Improper input validator in Nextcloud Server prior to 12.0.3 and 11.0.5 could lead to an attacker's actions not being logged in th
5.3MEDIUM
CVE-2018-3775
< 12.0.3
Improper Authentication in Nextcloud Server prior to version 12.0.3 would allow an attacker that obtained user credentials to bypa
8.8HIGH
CVE-2018-3762
< 12.0.8
Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user
4.3MEDIUM
CVE-2018-3761
< 12.0.8
Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potenti
8.1HIGH
CVE-2017-0936
< 11.0.7
Nextcloud Server before 11.0.7 and 12.0.5 suffers from an Authorization Bypass Through User-Controlled Key vulnerability. A missin
5.7MEDIUM
CVE-2017-0895
>= 10.0.0 and < 10.0.4
Nextcloud Server before 10.0.4 and 11.0.2 are vulnerable to disclosure of calendar and addressbook names to other logged-in users.
3.5LOW
CVE-2017-0894
< 11.0.3
Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error. Thus
4.3MEDIUM
CVE-2017-0893
< 9.0.58
Nextcloud Server before 9.0.58 and 10.0.5 and 11.0.3 are shipping a vulnerable JavaScript library for sanitizing untrusted user-in
5.4MEDIUM
CVE-2017-0892
< 11.0.3
Nextcloud Server before 11.0.3 is vulnerable to an improper session handling allowed an application specific password without perm
3.5LOW
CVE-2017-0891
< 9.0.58
Nextcloud Server before 9.0.58 and 10.0.5 and 11.0.3 are vulnerable to an inadequate escaping of error messages leading to XSS vul
5.4MEDIUM
CVE-2017-0890
< 11.0.3
Nextcloud Server before 11.0.3 is vulnerable to an inadequate escaping leading to a XSS vulnerability in the search module. To be
5.4MEDIUM
CVE-2017-0888
all versions
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a Content-Spoofing vulnerability in the "files" app. The top navigation bar
4.3MEDIUM
CVE-2017-0887
< 9.0.55
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a bypass in the quota limitation. Due to not properly sanitizing values pro
4.3MEDIUM
CVE-2017-0886
< 9.0.55
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a Denial of Service attack. Due to an error in the application logic an aut
6.5MEDIUM
CVE-2017-0885
< 9.0.55
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a error message disclosing existence of file in write-only share. Due to an
4.3MEDIUM
CVE-2017-0884
< 9.0.55
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a creation of folders in read-only folders despite lacking permissions issu
4.3MEDIUM
CVE-2017-0883
<= 9.0.54
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a permission increase on re-sharing via OCS API issue. A permission related
6.4MEDIUM
CVE-2016-9468
< 9.0.54
Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from content spoofing in the dav app. Th
5.3MEDIUM
CVE-2016-9467
< 9.0.54
Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from content spoofing in the files app.
5.3MEDIUM
CVE-2016-9466
>= 10.0.0 and < 10.0.1
Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from Reflected XSS in the Gallery application. The
6.1MEDIUM
CVE-2016-9465
>= 10.0.0 and < 10.0.1
Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from Stored XSS in CardDAV image export. The CardDA
5.4MEDIUM
CVE-2016-9464
< 9.0.54
Nextcloud Server before 9.0.54 and 10.0.0 suffers from an improper authorization check on removing shares. The Sharing Backend as
4.3MEDIUM
CVE-2016-9463
< 9.0.54
Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.1.2, 9.0.6, and 8.2.9 suffer from SMB User Authentication Byp
8.1HIGH
CVE-2016-9462
< 9.0.52
Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file.
4.3MEDIUM
CVE-2016-9461
< 9.0.52
Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy act
4.3MEDIUM
CVE-2016-9459
< 9.0.52
Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are vulnerable to a log pollution vulnerability potentially leading
6.1MEDIUM
CVE-2016-7419
<= 9.0.51
Cross-site scripting (XSS) vulnerability in share.js in the gallery application in ownCloud Server before 9.0.4 and Nextcloud Serv
5.4MEDIUM
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