CVE-2020-14302

4.9 mediumEPSS 1.0%

Medium (4.9) in redhat keycloak. EPSS 1.0% chance of exploitation in the next 30 days.

A flaw was found in Keycloak before 13.0.0 where an external identity provider, after successful authentication, redirects to a Keycloak endpoint that accepts multiple invocations with the use of the same "state" parameter. This flaw allows a malicious user to perform replay attacks.

Severity

CVSS 3.1

4.9 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)
CWE: CWE-294
Published: 2020-12-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

redhat:keycloak

References

https://bugzilla.redhat.com/show_bug.cgi?id=1849584
https://bugzilla.redhat.com/show_bug.cgi?id=1849584

Check your stack JSON