CVE-2020-14302 Information

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.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

4.9