Fortinet Fortigate ZTNA Server Improper Certificate Validation (FG-IR-24-457)

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-24-457 advisory. - An Improper Validation of Certificate with Host Mismatch vulnerability CWE-297 in FortiProxy version 7.6.1 and below, versi...

CVE-2025-25253

An Improper Validation of Certificate with Host Mismatch vulnerability CWE-297 in FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions and FortiOS version 7.6.2 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions ZTNA proxy may allow a...

CVE-2025-25253

CVE-2025-25253 describes improper validation of certificate hostnames in FortiProxy (and FortiOS ZTNA proxy) that could allow an unauthenticated attacker in a man-in-the-middle position to intercept and tamper with connections. Affected products/versions from the provided docs include FortiProxy ...