CVE-2021-32726 — Incorrect Ownership Assignment in Security-advisories

CWE-708 — Incorrect Ownership AssignmentCWE-287 — Improper Authentication2 documents2 sources
Severity
9.8CRITICALNVD
CNA7.1
EPSS
0.5%
top 32.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Nextcloud Security-advisoriesNextcloud Server
Timeline
PublishedJul 12

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDnextcloud/nextcloud_server20.0.0 — 20.0.11+2
▶CVEListV5nextcloud/security-advisories< 19.0.13+2

🔴Vulnerability Details

1
CVEList
Webauthn tokens not removed after user has been deleted↗2021-07-12
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CVE-2021-32726 — Incorrect Ownership Assignment | cvebase