cve.bz

CVE-2023-3597

5.0 mediumEPSS 0.6%

Medium (5.0). EPSS 0.6% chance of exploitation in the next 30 days. Fixed in org.keycloak:keycloak-services 22.0.10, 24.0.3.

A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication.

Severity

CVSS 3.1

5.0 medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS
0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE
CWE-287
Published
Modified
Record from
the NVD, synced

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-4f53-xh3v-g8x4Mavenorg.keycloak:keycloak-services<22.0.1022.0.10
GHSA-4f53-xh3v-g8x4Mavenorg.keycloak:keycloak-services>=23.0.0 <24.0.324.0.3

References

Check your stackJSON