Michał Trojnara

**Name of the Vulnerable Software and Affected Versions** Stunnel versions 5.00 through 5.13 **Description** The issue allows remote attackers to bypass authentication due to a failure in redirecting client connections to the expected server after the initial connection when the redirect option is used. **Recommendations** For versions 5.00 through 5.13, update to a version that contains a fix for this issue to prevent authentication bypass.