Vulnerability identifier: #VU59892
Vulnerability risk: Medium
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-288
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Keycloak
Server applications /
Directory software, identity management
Vendor: Keycloak
Description
The vulnerability allows a remote attacker to bypass 2FA authentication.
The vulnerability exists due to an error in ECP SAML binding flow within keycloak-server-spi-private. A remote attacker can send SOAP request with an AuthnRequest and Authorization header with the user's credentials and bypass MFA authentication.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Keycloak: 15.0.0 - 15.1.1
External links
http://bugzilla.redhat.com/show_bug.cgi?id=2007512
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.