Vulnerability in Red Hat Keycloak

CVE-2021-3461

A flaw was found in keycloak where keycloak may fail to logout user session if the logout request comes from external SAML identity provider and Principal Type is set to Attribute [Name].

EPSS: 0.003 (20.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-3461?
CVE-2021-3461 is a high-severity vulnerability in Red Hat Keycloak, classified under Insufficient Session Expiration. CVSS score: 7.1/10. Published 2022-04-01.
How severe is CVE-2021-3461?
High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2021-3461 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.