CVE-2011-2165

Name of the Vulnerable Software and Affected Versions WatchGuard XCS versions 9.0 through 9.1

Description The issue is related to a "plaintext command injection" attack, where the STARTTLS implementation does not properly restrict I/O buffering. This allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place.

Recommendations For WatchGuard XCS versions 9.0 through 9.1, at the moment, there is no information about a newer version that contains a fix for this vulnerability.