Jeff Segars

**Name of the Vulnerable Software and Affected Versions** TYPO3 version 4.3.0 **Description** The issue allows remote attackers to bypass authentication and gain access to a backend user account. This occurs when both the attacker and victim have an OpenID provider that discloses identities during authentication, although the exact attack vectors are unknown. **Recommendations** For TYPO3 version 4.3.0, at the moment, there is no information about a newer version that contains a fix for this vulnerability.