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.

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

Published 2021-01-28 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.007 (50.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Red Hat Keycloak
Keycloak — versions keycloak 13.0.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

issues.redhat.com/browse/KEYCLOAK-16550 (Permissions Required, Vendor Advisory)
bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)

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.