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matrix synapse

54 known vulnerabilities across versions
Vulnerabilities are listed by affected version. Select any CVE for the full briefing and its intelligence graph.
CVE-2025-9871
< 3.10.730.71519
Razer Synapse 3 Chroma Connect Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers
7.8HIGH
CVE-2025-9870
< 3.10.730.71519
Razer Synapse 3 RazerPhilipsHueUninstall Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local
7.8HIGH
CVE-2025-9869
< 3.10.730.71519
Razer Synapse 3 Macro Module Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to
7.8HIGH
CVE-2025-30355
< 1.127.1
Synapse is an open source Matrix homeserver implementation. A malicious server can craft events which, when received, prevent Syna
7.1HIGH
CVE-2024-53863
< 1.120.1
Synapse is an open-source Matrix homeserver. In Synapse versions before 1.120.1, enabling the dynamic_thumbnails option or process
9.1CRITICAL
CVE-2024-52815
< 1.120.1
Synapse is an open-source Matrix homeserver. Synapse versions before 1.120.1 fail to properly validate invites received over feder
5.3MEDIUM
CVE-2024-52805
< 1.120.1
Synapse is an open-source Matrix homeserver. In Synapse before 1.120.1, multipart/form-data requests can in certain configurations
7.5HIGH
CVE-2024-37303
< 1.106.0
Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows, by design, unauthenticated remote participants t
5.3MEDIUM
CVE-2024-37302
< 1.106.0
Synapse is an open-source Matrix homeserver. Synapse versions before 1.106 are vulnerable to a disk fill attack, where an unauthen
7.5HIGH
CVE-2024-31208
< 1.105.1
Synapse is an open-source Matrix homeserver. A remote Matrix user with malicious intent, sharing a room with Synapse instances bef
6.5MEDIUM
CVE-2023-43796
< 1.95.1
Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can
5.3MEDIUM
CVE-2023-45129
< 1.94.0
Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Prior to version 1.94.0, a malici
4.9MEDIUM
CVE-2023-42453
>= 1.34.0 and < 1.93.0
Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users were able to forge read rec
3.1LOW
CVE-2023-41335
>= 1.66.0 and < 1.93.0
Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. When users update their passwords
3.7LOW
CVE-2022-47631
< 3.8.0428.042117
Razer Synapse through 3.7.1209.121307 allows privilege escalation due to an unsafe installation path and improper privilege manage
7.8HIGH
CVE-2023-32683
< 1.85.0
Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass
3.5LOW
CVE-2023-32682
< 1.85.0
Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for
5.4MEDIUM
CVE-2023-32323
< 1.74.0
Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. A malicious user on a Synapse hom
5.0MEDIUM
CVE-2022-39374
>= 1.62.0 and < 1.68.0
Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. If Synapse and a malicious homese
6.5MEDIUM
CVE-2022-39335
< 1.69.0
Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix Federation API allows
5.0MEDIUM
CVE-2022-47632
< 3.7.0830.081906
Razer Synapse before 3.7.0830.081906 allows privilege escalation due to an unsafe installation path, improper privilege management
6.8MEDIUM
CVE-2022-41952
< 1.53.0
Synapse before 1.52.0 with URL preview functionality enabled will attempt to generate URL previews for media stream URLs without p
6.5MEDIUM
CVE-2022-31152
< 1.62.0
Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix specification specifie
6.4MEDIUM
CVE-2022-31052
< 1.61.1
Synapse is an open source home server implementation for the Matrix chat network. In versions prior to 1.61.1 URL previews of some
6.5MEDIUM
CVE-2021-44226
< 3.7.0228.022817
Razer Synapse before 3.7.0228.022817 allows privilege escalation because it relies on %PROGRAMDATA%\Razer\Synapse3\Service\bin eve
7.3HIGH
CVE-2021-41281
< 1.47.1
Synapse is a package for Matrix homeservers written in Python 3/Twisted. Prior to version 1.47.1, Synapse instances with the media
7.5HIGH
CVE-2021-39164
< 1.41.1
Matrix is an ecosystem for open federated Instant Messaging and Voice over IP. In versions 1.41.0 and prior, unauthorised users ca
3.1LOW
CVE-2021-39163
< 1.41.1
Matrix is an ecosystem for open federated Instant Messaging and Voice over IP. In versions 1.41.0 and prior, unauthorised users ca
3.1LOW
CVE-2021-29471
< 1.33.2
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federate
3.7LOW
CVE-2021-30494
all versions
Multiple system services installed alongside the Razer Synapse 3 software suite perform privileged operations on entries within th
5.5MEDIUM
CVE-2021-30493
all versions
Multiple system services installed alongside the Razer Synapse 3 software suite perform privileged operations on entries within th
5.5MEDIUM
CVE-2021-21393
> 0.24.0 and < 1.28.0
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federate
5.3MEDIUM
CVE-2021-21392
< 1.28.0
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federate
6.3MEDIUM
CVE-2021-21394
> 0.17.0 and < 1.28.0
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federate
5.3MEDIUM
CVE-2021-21333
< 1.27.0
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federate
6.1MEDIUM
CVE-2021-21332
< 1.27.0
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federate
6.9MEDIUM
CVE-2021-21274
>= 0.99.0 and < 1.25.0
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federate
4.3MEDIUM
CVE-2021-21273
< 1.25.0
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federate
3.1LOW
CVE-2020-26257
< 1.23.1
Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix
6.5MEDIUM
CVE-2020-26890
< 1.20.0
Matrix Synapse before 1.20.0 erroneously permits non-standard NaN, Infinity, and -Infinity JSON values in fields of m.room.member
7.5HIGH
CVE-2020-26891
< 1.21.0
AuthRestServlet in Matrix Synapse before 1.21.0 is vulnerable to XSS due to unsafe interpolation of the session GET parameter. Thi
6.1MEDIUM
CVE-2019-18835
< 1.5.0
Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /
9.8CRITICAL
CVE-2019-11842
< 0.99.3.1
An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which m
7.5HIGH
CVE-2019-5885
< 0.34.0.1
Matrix Synapse before 0.34.0.1, when the macaroon_secret_key authentication parameter is not set, uses a predictable value to deri
7.5HIGH
CVE-2018-16515
< 0.33.3.1
Matrix Synapse before 0.33.3.1 allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging i
8.8HIGH
CVE-2018-12423
< 0.31.2
In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.
7.5HIGH
CVE-2018-12291
< 0.31.1
The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing
7.5HIGH
CVE-2018-10657
< 0.28.1
Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 2^63 - 1 render roo
7.5HIGH
CVE-2017-15708
all versions
In Apache Synapse, by default no authentication is required for Java Remote Method Invocation (RMI). So Apache Synapse 3.0.1 or al
9.8CRITICAL
CVE-2017-14398
all versions
rzpnk.sys in Razer Synapse 2.20.15.1104 allows local users to read and write to arbitrary memory locations, and consequently gain
7.8HIGH
CVE-2017-11653
<= 2.20.15.1104
Razer Synapse 2.20.15.1104 and earlier uses weak permissions for the Devices directory, which allows local users to gain privilege
7.8HIGH
CVE-2017-11652
<= 2.20.15.1104
Razer Synapse 2.20.15.1104 and earlier uses weak permissions for the CrashReporter directory, which allows local users to gain pri
8.4HIGH
CVE-2017-9769
all versions
A specially crafted IOCTL can be issued to the rzpnk.sys driver in Razer Synapse 2.20.15.1104 that is forwarded to ZwOpenProcess a
9.8CRITICAL
CVE-2014-7787
all versions
The iShuttle (aka com.synapse.ishuttle_user) application 1.0 for Android does not verify X.509 certificates from SSL servers, whic
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