CVE-2025-62631

An insufficient session expiration vulnerability [CWE-613] vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to main

Severity
Medium 5.3
CVSS 3.1
Remote · no auth what this means
Exploited
Not listed
EPSS
0.003
20.7th percentile
Discovered by
Third party
Vendor advisory field
Published
Dec 9, 2025
Assigned by fortinet

Description

An insufficient session expiration vulnerability [CWE-613] vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to maintain access to network resources via an active SSLVPN session not terminated after a user's password change under particular conditions outside of the attacker's control

Weakness: CWE-613

Affected products

Vendor Product Category Matched by
Fortinet FortiOS Check your version Firewall / NGFW cna-assigner
Vendor-reported products (1)
  • Fortinet · FortiOS

Credit

Fortinet is pleased to thank Elmaddin Salahov from Caspisec for reporting this vulnerability under responsible disclosure.

Vendor remediation

Upgrade to FortiOS version 7.6.4 or above Upgrade to FortiOS version 7.4.8 or above

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