CVE-2020-14302

MediumCVSS 4.9/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-294

Affected software

Vendor	Product	Versions
n/a	keycloak	keycloak 13.0.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1849584Issue Tracking, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1849584Issue Tracking, Vendor Advisory

Timeline

Published: Dec 15, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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