Capacity to use password hashes instead of password for authentication

Summary

A use of password hash instead of password for authentication vulnerability [CWE-836] in FortiWeb may allow an unauthenticated attacker to use the hash in place of the password to authenticate via crafted HTTP/HTTPS requests.

Version Affected Solution
FortiWeb 8.0 8.0.0 through 8.0.1 Upgrade to 8.0.2 or above
FortiWeb 7.6 7.6.0 through 7.6.5 Upgrade to 7.6.6 or above
FortiWeb 7.4 7.4.0 through 7.4.10 Upgrade to 7.4.11 or above
FortiWeb 7.2 7.2.0 through 7.2.11 Upgrade to 7.2.12 or above
FortiWeb 7.0 7.0.0 through 7.0.11 Upgrade to 7.0.12 or above

Acknowledgement

Internally discovered and reported by Fortiweb development team.

Timeline

2025-12-09: Initial publication