Vulnerabilities > CVE-2021-32726 - Unspecified vulnerability in Nextcloud Server
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, webauthn tokens were not deleted after a user has been deleted. If a victim reused an earlier used username, the previous user could gain access to their account. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.
Vulnerable Configurations
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6qr9-c846-j8mg
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6qr9-c846-j8mg
- https://github.com/nextcloud/server/pull/27532
- https://github.com/nextcloud/server/pull/27532
- https://hackerone.com/reports/1202590
- https://hackerone.com/reports/1202590
- https://security.gentoo.org/glsa/202208-17
- https://security.gentoo.org/glsa/202208-17