CVE-2025-62439 | BDVDB-2026-314652 Detail

FortinetFortiOS

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: local.

Weaknesses#

CWE-940 Improper access control

References#

Exploit#

No public exploit known

History#

Version 12026-02-10Record published in the CVE List.
Version 22026-05-12Most recent update recorded in the CVE List.

Published

Published: 2026-02-10
Last modified: 2026-05-12

Vendor information

Vendor: Fortinet
Product: FortiOS

All Fortinet vulnerabilities

Score

3.8 Low

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 5.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 7.6.0 and <= 7.6.4
Fixed
Not stated
Vulnerable
>= 7.4.0 and <= 7.4.9
Fixed
Not stated
Vulnerable
>= 7.2.0 and <= 7.2.13
Fixed
Not stated
Vulnerable
>= 7.0.0 and <= 7.0.19
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

3.8 Low

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

Metric breakdown
Attack Vector	Local
Attack Complexity	High
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	Low
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).