#VU88792 Improper Authentication in Keycloak - CVE-2023-3597
Published: April 17, 2024
Vulnerability identifier: #VU88792
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-3597
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Keycloak
Keycloak
Software vendor:
Keycloak
Keycloak
Description
The vulnerability allows a remote user to bypass 2FA authentication process.
The vulnerability exists due to Keycloak does not correctly validate its client step-up authentication in org.keycloak.authentication. A remote user authenticated with password can use this flaw to register a false second
authentication factor along with existing one and bypass authentication.
Remediation
Install updates from vendor's website.