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VULNERABILITIES

CVE-2021-32654 Details

Description

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 is able to receive write/read privileges on any Federated File Share. Since public links can be added as federated file share, this can also be exploited on any public link. Users can upgrade to patched versions (19.0.11, 20.0.10 or 21.0.2) or, as a workaround, disable federated file sharing.

Metrics

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jf9h-v24c-22g5 CVEThird Party Advisory
https://hackerone.com/reports/1170024 CVEPermissions RequiredThird Party Advisory
https://security.gentoo.org/glsa/202208-17 CVEThird Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jf9h-v24c-22g5 [email protected]Third Party Advisory
https://hackerone.com/reports/1170024 [email protected]Permissions RequiredThird Party Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-639Authorization Bypass Through User-Controlled Key[email protected]

Affected Products

ProductVersions
nextcloud nextcloud server
< 19.0.11
>= 20.0.0, < 20.0.10
>= 21.0.0, < 21.0.2

CPE

  • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-32654
NVD Published Date:
Jun 1, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-32654 Details - Not Deferred