CVE-2021-3563
CRITICAL9.1EPSS 0.04%keystone - security update
Published: 8/27/2022Modified: 4/28/2026
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.
Affected packages (3)
- Debian/keystonefrom 0
- Debian/keystonefrom 0, < 2:14.2.0-0+deb10u2
- PyPI/keystonefrom 0, <= 21.0.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
References (11)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-3563
- PATCHhttps://opendev.org/openstack/keystone
- WEBhttps://access.redhat.com/security/cve/CVE-2021-3563
- WEBhttps://bugs.launchpad.net/ossa/+bug/1901891
- WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=1962908
- WEBhttps://lists.debian.org/debian-lts-announce/2024/01/msg00007.html
- WEBhttps://opendev.org/openstack/keystone/commit/7859ed26003858ebfd9a5e866b43f1a6a9e83dca
- WEBhttps://review.opendev.org/c/openstack/keystone/+/803641
- WEBhttps://review.opendev.org/c/openstack/keystone/+/828595
- WEBhttps://review.opendev.org/c/openstack/keystone/+/856489
- WEBhttps://security-tracker.debian.org/tracker/CVE-2021-3563