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CVE-2021-3563
A flaw was found in openstack-keystone. Only the first 72 characters of an application secret are verified allowing attackers bypass some…
High7.4EPSS 1.9%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 1.9% · top 21% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.4.
Weakness
Affected products
keystone
- affected Not-known
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIkeystoneGHSA-cc99-whm5-mmq3 (opens in a new tab)
References (5)
- https://bugs.launchpad.net/ossa/+bug/1901891 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1962908 (opens in a new tab)x_refsource_MISCx_transferred
- https://access.redhat.com/security/cve/CVE-2021-3563 (opens in a new tab)x_refsource_MISCx_transferred
- https://security-tracker.debian.org/tracker/CVE-2021-3563 (opens in a new tab)x_refsource_MISCx_transferred
- https://lists.debian.org/debian-lts-announce/2024/01/msg00007.html (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-cc99-whm5-mmq3 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-3563)Record last updated .