CVE-2024-50562: Improper access control in Fortinet FortiOS
An Insufficient Session Expiration vulnerability [CWE-613] in FortiOS SSL-VPN version 7.6.0, version 7.4.6 and below, version 7.2.10 and below, 7.0 all versions, 6.4 all versions may allow an attacker in possession of a cookie used to log in the SSL-VPN portal to log in again, although the session has expired or was logged out.
AI Analysis
Technical Summary
This vulnerability in Fortinet FortiOS SSL-VPN portal involves improper access control due to insufficient session expiration. Specifically, an attacker with possession of a valid login cookie can reuse it to regain access despite the session being expired or terminated. The affected versions include 7.6.0, 7.4.6 and below, 7.2.10 and below, all versions of 7.0, and all versions of 6.4. The CVSS 3.1 base score is 4.4, indicating medium severity, with network attack vector, high attack complexity, no privileges required, no user interaction, and partial confidentiality and integrity impact.
Potential Impact
An attacker who obtains a valid SSL-VPN portal cookie can bypass session expiration controls and log in again without reauthentication. This could lead to unauthorized access to the VPN portal with the privileges of the original session. The impact is limited to confidentiality and integrity with no availability impact. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or fix information is provided, users should monitor Fortinet advisories for updates. Until a fix is available, restrict access to SSL-VPN portals and ensure cookies are protected to reduce risk of cookie theft.
CVE-2024-50562: Improper access control in Fortinet FortiOS
Description
An Insufficient Session Expiration vulnerability [CWE-613] in FortiOS SSL-VPN version 7.6.0, version 7.4.6 and below, version 7.2.10 and below, 7.0 all versions, 6.4 all versions may allow an attacker in possession of a cookie used to log in the SSL-VPN portal to log in again, although the session has expired or was logged out.
CVSS v3.1
Score 4.4medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Fortinet FortiOS SSL-VPN portal involves improper access control due to insufficient session expiration. Specifically, an attacker with possession of a valid login cookie can reuse it to regain access despite the session being expired or terminated. The affected versions include 7.6.0, 7.4.6 and below, 7.2.10 and below, all versions of 7.0, and all versions of 6.4. The CVSS 3.1 base score is 4.4, indicating medium severity, with network attack vector, high attack complexity, no privileges required, no user interaction, and partial confidentiality and integrity impact.
Potential Impact
An attacker who obtains a valid SSL-VPN portal cookie can bypass session expiration controls and log in again without reauthentication. This could lead to unauthorized access to the VPN portal with the privileges of the original session. The impact is limited to confidentiality and integrity with no availability impact. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or fix information is provided, users should monitor Fortinet advisories for updates. Until a fix is available, restrict access to SSL-VPN portals and ensure cookies are protected to reduce risk of cookie theft.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- fortinet
- Date Reserved
- 2024-10-24T11:52:14.400Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 68487f521b0bd07c39389d76
Added to database: 06/10/2025, 18:54:10 UTC
Last enriched: 08/11/2026, 13:05:04 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 178
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