cve.bz

CVE-2021-3563

7.4 highEPSS 1.9%

High (7.4). EPSS 1.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.4 high
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE
CWE-863
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-cc99-whm5-mmq3PyPIkeystone<=21.0.0no fix published
PYSEC-2026-370PyPIkeystone<=21.0.0no fix published

References

Check your stackJSON