CVE-2025-62439
CVSS Score
3.8
EPSS Score
0.0%
EPSS Percentile
0th
An Improper Verification of Source of a Communication Channel vulnerability [CWE-940] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions may allow an authenticated user with knowledge of FSSO policy configurations to gain unauthorized access to protected network resources via crafted requests.
| CWE | CWE-940 |
| Vendor | fortinet |
| Product | fortios |
| Ecosystems | |
| Industries | NetworkingSecurity |
| Published | Feb 10, 2026 |
| Last Updated | May 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N/E:P/RL:X/RC:R Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Fortinet / FortiOS
7.6.0 ≤ 7.6.4 7.4.0 ≤ 7.4.9 7.2.0 ≤ 7.2.13 7.0.0 ≤ 7.0.19