Auth bypass in Red Hat Keycloak

CVE-2020-1725

A flaw was found in keycloak before version 13.0.0. In some scenarios a user still has access to a resource after changing the role mappings in Keycloak and after expiration of the previous access token.

Vulnerability class: Broken Access Control

EPSS: 0.007 (48.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-1725?
CVE-2020-1725 is a medium-severity vulnerability in Red Hat Keycloak, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2021-01-28.
How severe is CVE-2020-1725?
Medium severity. CVSS v3 base score is 5.4 out of 10.