CVE-2023-3597

2024-04-2513:15:50

CWE-287

[email protected]

web.nvd.nist.gov

keycloak

authentication

flaw

remote user

2fa validation

bypass

5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

5.2 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.5%

JSON

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.