Medium severity · published Oct 14, 2025
CVE-2025-25252
An Insufficient Session Expiration vulnerability [CWE-613] in FortiOS SSL VPN 7.6.0 through 7.6.2, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10, 7.0.0 through 7.0.16, 6.4 all…
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
An Insufficient Session Expiration vulnerability [CWE-613] in FortiOS SSL VPN 7.6.0 through 7.6.2, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10, 7.0.0 through 7.0.16, 6.4 all versions may allow a remote attacker (e.g. a former admin whose account was removed and whose session was terminated) in possession of the SAML record of a user session to access or re-open that session via re-use of SAML record.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiOS · Fortinet
6.4.0 before 7.0.17; 7.2.0 before 7.2.11; 7.4.0 before 7.4.7; 7.6.0 before 7.6.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-25252
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-25252
Vendor Advisory
https://fortiguard.fortinet.com/psirt/FG-IR-24-487
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