Keycloak Authentication Bypass Vulnerability

CVE-2023-3597
5MEDIUM

Key Information

Vendor
Red Hat
Status
Red Hat Build Of Keycloak 22
Red Hat Build Of Keycloak 22.0.10
Rhsso 7.6.8
Vendor
CVE Published:
25 April 2024

Summary

A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication.

Affected Version(s)

Red Hat build of Keycloak 22 <= 22.0.10-1

Red Hat build of Keycloak 22 <= 22-13

Red Hat build of Keycloak 22 <= 22-16

CVSS V3.1

Score:
5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Risk change from: null to: 5 - (MEDIUM)

  • Vulnerability published.

  • Vulnerability Reserved.

  • Reported to Red Hat.

Collectors

NVD DatabaseMitre Database

Credit

Red Hat would like to thank Johannes Bergmann (Bosch) for reporting this issue.
.