Home/CVE/Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, the
CVE

CVE-2021-32734

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 Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, the Nextcloud Text application shipped with Nextcloud Server returned verbatim exception messages to the user. This could result in a full path disclosure on shared files.

The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. As a workaround, one may disable the Nextcloud Text application in Nextcloud Server app settings.

LOW · CVSS 3.1 EPSS 0.00326
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-209Generation of Error Message Containing Sensitive Information
CWE-209Generation of Error Message Containing Sensitive Information
▤

Affected Products & Versions

3
nextcloud server< 19.0.13
nextcloud server>= 20.0.0 and < 20.0.11
nextcloud server>= 21.0.0 and < 21.0.3
▣

Scoring & Timeline

3.1
LOW · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Jul 2021 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
⚑

Vendor Advisories

1
suse-csafopenSUSE-SU-2021:1068-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6hf5-c2c4-2526Third Party Advisory
https://github.com/nextcloud/text/pull/1695PatchThird Party Advisory
https://hackerone.com/reports/1246721Permissions Required
https://security.gentoo.org/glsa/202208-17Third Party Advisory
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