CVE-2021-3563
Aliases:GHSA-cc99-whm5-mmq3
Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 26 Aug 2022, 15:25
Last modified:13 Feb 2025, 16:28
Vulnerability Summary
Overall Risk (default)
medium
40/100 CVSS Score
7.4 HIGH
v3.1 (nvd)
EPSS Score
0.04% LOW
0% probability -0.02%
KEV
Not listed
Ransomware
No reports
Public exploits
3 found
Dark Web
Not detected
Timeline
26 Aug 2022, 15:25
Published
Vulnerability first disclosed
13 Feb 2025, 16:28
Last Modified
Vulnerability information updated
Description
A flaw was found in openstack-keystone. Only the first 72 characters of an application secret are verified allowing attackers bypass some password complexity which administrators may be counting on. The highest threat from this vulnerability is to data confidentiality and integrity.
CVSS Metrics
- v3.1•HIGH•Score: 7.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- v3.1•CRITICAL•Score: 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS Trends
Current EPSS score: 0.04%• Percentile: 13%
Techniques & Countermeasures
- CWE-863•Incorrect Authorization
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
Affected Systems
- debian•debian_linux
10.0 | 11.0
- PyPI•keystone
≤ 21.0.0
- redhat•openstack_platform
10.0 | 13.0 | 16.1 | 16.2
References (11)
- https://bugs.launchpad.net/ossa/+bug/1901891
- https://bugzilla.redhat.com/show_bug.cgi?id=1962908
- https://access.redhat.com/security/cve/CVE-2021-3563
- https://security-tracker.debian.org/tracker/CVE-2021-3563
- https://lists.debian.org/debian-lts-announce/2024/01/msg00007.html
- https://nvd.nist.gov/vuln/detail/CVE-2021-3563
- https://opendev.org/openstack/keystone
- https://opendev.org/openstack/keystone/commit/7859ed26003858ebfd9a5e866b43f1a6a9e83dca
- https://review.opendev.org/c/openstack/keystone/+/803641
- https://review.opendev.org/c/openstack/keystone/+/828595
- https://review.opendev.org/c/openstack/keystone/+/856489