VULNERABILITY INTELLIGENCE

CVE-2020-14302

CVSS score4.9 MEDIUM
EPSS probability1.00%
CISA KEVNot currently listed
Published2020-12-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

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.

Weakness classification

  • secalert@redhat.com: CWE-294
  • nvd@nist.gov: CWE-294

Primary references