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CVE-2025-25252

MEDIUM
6.5
CVSS Score
Published: October 14, 2025 at 03:23 PM UTC
Updated: October 8, 2026 at 12:10 PM UTC
1 product affected across 1 vendorFortiOS

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FortiOS· Fortinet
95%
6.4.0 ≤ v ≤ 6.4.166.4.0 ≤ v < 7.0.177.0.0 ≤ v ≤ 7.0.167.2.0 ≤ v ≤ 7.2.107.2.0 ≤ v < 7.2.117.4.0 ≤ v ≤ 7.4.67.4.0 ≤ v < 7.4.77.6.0 ≤ v ≤ 7.6.27.6.0 ≤ v < 7.6.3*6.4.06.4.16.4.106.4.116.4.126.4.136.4.146.4.156.4.166.4.26.4.36.4.46.4.56.4.66.4.76.4.86.4.97.0.07.0.17.0.107.0.117.0.127.0.137.0.147.0.157.0.167.0.27.0.37.0.47.0.57.0.67.0.77.0.87.0.97.2.07.2.17.2.107.2.27.2.37.2.47.2.57.2.67.2.77.2.87.2.97.4.07.4.17.4.27.4.37.4.47.4.57.4.67.6.07.6.17.6.2
Affected range stops below 7.0.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.2.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.4.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.6.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://fortiguard.fortinet.com/psirt/FG-IR-24-487

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-613

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