high7.1
CVE-2021-32726
Nextcloud Server is a Nextcloud package that handles data storage.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nextcloud | Nextcloud Server | before 19.0.13 from 20.0.0 before 20.0.11 from 21.0.0 before 21.0.3 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6qr9-c846-j8mg
- https://github.com/nextcloud/server/pull/27532
- https://hackerone.com/reports/1202590
- https://security.gentoo.org/glsa/202208-17
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6qr9-c846-j8mg
- https://github.com/nextcloud/server/pull/27532
- https://hackerone.com/reports/1202590
- https://security.gentoo.org/glsa/202208-17