IBM Sterling Secure Proxy 3.2.0 and 3.3.01 before 3.3.01.23 Interim Fix 1, 3.4.0 before 3.4.0.6 Interim Fix 1, and 3.4.1 before 3.4.1.7 provides web-server version data in (1) an unspecified page title and (2) an unspecified HTTP header field, which allows remote attackers to obtain potentially sensitive information by reading a version string.