VulnerabilityModified
CVE-2021-3563
Only the first 72 characters of an application secret are verified allowing attackers bypass some password complexity which administrators may be counting on.
HIGH 7.4EPSS 1.75%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.75%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.4 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 1.75% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-863
- Affected
- openstack/keystone · debian/debian linux · redhat/openstack platform
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2021-3563Issue Tracking, Third Party Advisory
- https://bugs.launchpad.net/ossa/+bug/1901891Exploit, Issue Tracking, Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1962908Exploit, Issue Tracking, Third Party Advisory, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2024/01/msg00007.html
- https://security-tracker.debian.org/tracker/CVE-2021-3563Exploit, Issue Tracking, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3563Issue Tracking, Third Party Advisory
- https://bugs.launchpad.net/ossa/+bug/1901891Exploit, Issue Tracking, Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1962908Exploit, Issue Tracking, Third Party Advisory, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2024/01/msg00007.html
- https://security-tracker.debian.org/tracker/CVE-2021-3563Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.