CVE-2021-32726

Name
CVE-2021-32726
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.
NVD Severity
high
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://hackerone.com/reports/1202590
MISC https://github.com/nextcloud/server/pull/27532
CONFIRM https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6qr9-c846-j8mg

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* nextcloud_server >= None < 19.0.13
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* nextcloud_server >= 20.0.0 < 20.0.11
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* nextcloud_server >= 21.0.0 < 21.0.3

Vulnerable and fixed packages

Source package Branch Version Maintainer Status