Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | < 19.0.13 |
Related Weaknesses (CWE)
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6qr9-cThird Party Advisory
- https://github.com/nextcloud/server/pull/27532Third Party Advisory
- https://hackerone.com/reports/1202590Permissions Required
- https://security.gentoo.org/glsa/202208-17Third Party Advisory
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6qr9-cThird Party Advisory
- https://github.com/nextcloud/server/pull/27532Third Party Advisory
- https://hackerone.com/reports/1202590Permissions Required
- https://security.gentoo.org/glsa/202208-17Third Party Advisory
FAQ
What is CVE-2021-32726?
CVE-2021-32726 is a vulnerability with a CVSS score of 7.1 (HIGH). 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 ...
How severe is CVE-2021-32726?
CVE-2021-32726 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-32726?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Nextcloud Server.