Openstack Keystone Incorrect Authorization vulnerability

HIGH 7.4CVE-2021-3563 · GHSA-cc99-whm5-mmq3 · PYSEC-2026-370 · Published 26/08/2022 · updated 17/06/2026

Package	Affected versions	Patched versions
keystone PyPI	`≤ 21.0.0`	No fix yet
openstack platform redhat	`= 10.0= 13.0= 16.1= 16.2`	No fix yet

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. A patch is available.

NVD 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.

References

nvd.nist.gov/vuln/detail/CVE-2021-3563 · ADVISORY
access.redhat.com/security/cve/CVE-2021-3563 · WEB
bugs.launchpad.net/ossa/+bug/1901891 · WEB
bugzilla.redhat.com/show_bug.cgi · WEB
pypa/advisory-database · WEB
lists.debian.org/debian-lts-announce/2024/01/msg00007.html · WEB
opendev.org/openstack/keystone · PACKAGE
opendev.org/openstack/keystone/commit/7859ed26003858ebfd9a5e866b43f1a6a9e83dca · WEB
pypi.org/project/keystone · WEB
review.opendev.org/c/openstack/keystone/+/803641 · WEB
review.opendev.org/c/openstack/keystone/+/828595 · WEB
review.opendev.org/c/openstack/keystone/+/856489 · WEB
security-tracker.debian.org/tracker/CVE-2021-3563 · WEB
GitHub Advisory GHSA-cc99-whm5-mmq3 · ADVISORY

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free