VULNERABILITY INTELLIGENCE
CVE-2021-32726
CVSS score7.1 HIGH
EPSS probability1.78%
CISA KEVNot currently listed
Published2021-07-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
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.
Weakness classification
- security-advisories@github.com: CWE-708
- nvd@nist.gov: CWE-287
Primary references
- security-advisories@github.com — Third Party Advisory
- security-advisories@github.com — Third Party Advisory
- security-advisories@github.com — Permissions Required
- security-advisories@github.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Permissions Required
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory