CVE-2024-50562 Auth bypass in FortiOS

What is CVE-2024-50562?

CVE-2024-50562 is a medium-severity authentication bypass vulnerability in Fortinet Fortios, published on 10 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-613

Which versions are affected by CVE-2024-50562?

It affects 2 products.

Products include Fortinet Fortios, Fortinet Fortisase.

How do I fix CVE-2024-50562?

No fix has been published for CVE-2024-50562 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2024-50562 being exploited?

There is no known exploitation of CVE-2024-50562 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.

Other vulnerabilities in Fortinet Fortios

• CVE-2024-23113 Fortinet Multiple Products Format String Exploited Critical 9.8
• CVE-2022-40684 Fortinet Multiple Products Authentication Bypass Exploited Critical 9.8
• CVE-2024-55591 Fortinet FortiOS and FortiProxy Authentication Bypass Exploited Critical 9.6
• CVE-2024-21762 Fortinet FortiOS Out-of-Bound Write Exploited Critical 9.6
• CVE-2022-42475 Fortinet FortiOS Heap-Based Buffer Overflow Exploited Critical 9.3

All Fortinet Fortios vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3vr5-764g-c3pw.