CVE-2020-14302

MEDIUM

Keycloak < 13.0.0 - Authentication Bypass via State Parameter Replay

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1849584

Scores

CVSS v3 4.9
EPSS 0.0099
EPSS Percentile 57.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-294
Status published
Products (1)
redhat/keycloak < 13.0.0
Published Dec 15, 2020
Tracked Since Feb 18, 2026