PSIRTAuthentication Lockout Bypass via Race Condition
Summary
An improper restriction of excessive authentication attempts vulnerability [CWE-307] in FortiManager and FortiAnalyzer may allow an attacker to bypass bruteforce protections via exploitation of race conditions.
| Version | Affected | Solution |
|---|---|---|
| FortiAnalyzer 8.0 | Not affected | Not Applicable |
| FortiAnalyzer 7.6 | 7.6.0 through 7.6.4 | Upgrade to 7.6.5 or above |
| FortiAnalyzer 7.4 | 7.4 all versions | Migrate to a fixed release |
| FortiAnalyzer 7.2 | 7.2 all versions | Migrate to a fixed release |
| FortiAnalyzer 7.0 | 7.0 all versions | Migrate to a fixed release |
| FortiAnalyzer 6.4 | 6.4 all versions | Migrate to a fixed release |
| FortiAnalyzer Cloud 8.0 | Not affected | Not Applicable |
| FortiAnalyzer Cloud 7.6 | 7.6.2 | Upgrade to 7.6.5 or above |
| FortiAnalyzer Cloud 7.4 | 7.4.1 through 7.4.7 | Migrate to a fixed release |
| FortiAnalyzer Cloud 7.2 | 7.2.1 through 7.2.10 | Migrate to a fixed release |
| FortiAnalyzer Cloud 7.0 | 7.0.1 through 7.0.14 | Migrate to a fixed release |
| FortiAnalyzer Cloud 6.4 | 6.4 all versions | Migrate to a fixed release |
| FortiManager 8.0 | Not affected | Not Applicable |
| FortiManager 7.6 | 7.6.0 through 7.6.4 | Upgrade to 7.6.5 or above |
| FortiManager 7.4 | 7.4 all versions | Migrate to a fixed release |
| FortiManager 7.2 | 7.2 all versions | Migrate to a fixed release |
| FortiManager 7.0 | 7.0 all versions | Migrate to a fixed release |
| FortiManager 6.4 | 6.4 all versions | Migrate to a fixed release |
| FortiManager Cloud 8.0 | Not affected | Not Applicable |
| FortiManager Cloud 7.6 | 7.6.2 through 7.6.3 | Upgrade to 7.6.5 or above |
| FortiManager Cloud 7.4 | 7.4.1 through 7.4.7 | Migrate to a fixed release |
| FortiManager Cloud 7.2 | 7.2.1 through 7.2.10 | Migrate to a fixed release |
| FortiManager Cloud 7.0 | 7.0.1 through 7.0.14 | Migrate to a fixed release |
| FortiManager Cloud 6.4 | 6.4 all versions | Migrate to a fixed release |
Acknowledgement
Discovered during an independent product security audit commissioned by Fortinet.Timeline
2026-03-10: Initial publication