On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.7, 14.1.x before 14.1.5.3, and all versions of 13.1.x, an open redirect vulnerability exists on virtual servers enabled with a BIG-IP APM access policy. This vulnerability allows an unauthenticated malicious attacker to build an open redirect URI. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.