Authentication bypass using an alternate path or channel in Fortinet, Inc products - CVE-2024-26009
Published: August 12, 2025
Vulnerability identifier: #VU113958
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-26009
CWE-ID: CWE-288
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to authentication bypass using an alternate path or channel. An unauthenticated attacker can seize control of a managed device via crafted FGFM requests, if the device is managed by a FortiManager, and if the attacker knows that FortiManager's serial number.
Affected software
FortiPAM
FortiOS
FortiSwitch Manager
FortiProxy
FortiOS
FortiSwitch Manager
FortiProxy
How to mitigate CVE-2024-26009
Install update from vendor's website.
FortiOS - addressed in versions 6.2.17, 6.4.16
FortiSwitch Manager - addressed in versions 7.0.4, 7.2.4
FortiProxy - addressed in versions 7.0.16, 7.2.9, 7.4.3
FortiSwitch Manager - addressed in versions 7.0.4, 7.2.4
FortiProxy - addressed in versions 7.0.16, 7.2.9, 7.4.3