Vulnerability in Fortinet Fortios
CVE-2024-26009
An authentication bypass using an alternate path or channel [CWE-288] vulnerability in Fortinet FortiOS 6.4.0 through 6.4.15, FortiOS 6.2.0 through 6.2.16, FortiOS 6.0 all versions, FortiPAM 1.2.0, FortiPAM 1.1.0 through 1.1.2, FortiPAM 1.0.0 through 1.0.3, FortiProxy 7.4.0 through 7.4.2, FortiProxy 7.2.0 through 7.2.8, FortiProxy 7.0.0 through 7.0.15, FortiSwitchManager 7.2.0 through 7.2.3, FortiSwitchManager 7.0.0 through 7.0.3 allows an unauthenticated attacker to 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (47.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Fortinet Fortios — versions 6.4.0, 6.2.0, 6.0.0
- Fortinet Fortipam — versions 1.2.0, 1.1.0, 1.0.0
- Fortinet Fortiproxy — versions 7.4.0, 7.2.0, 7.0.0
- Fortinet Fortiswitchmanager — versions 7.2.0, 7.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- fortiguard.fortinet.com/psirt/FG-IR-24-042 (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-26009?
- CVE-2024-26009 is a high-severity vulnerability in Fortinet Fortios, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 8.1/10. Published 2025-08-12.
- How severe is CVE-2024-26009?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2024-26009 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.