An authentication bypass using an alternate path or channel [CWE-288] vulnerability in Fortinet FortiOS 6.4.0 through 6.4.15, FortiOS…

Description

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.

Scores

EPSS (exploitation in 30 days)

0.77% · top 44% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.9.

Weakness

• CWE-288: Execute unauthorized code or commands (opens in a new tab)All about CWE-288 and its CVEs

Affected products

• Fortinet · FortiProxy

  • affected 7.4.0 – ≤ 7.4.2
  • affected 7.2.0 – ≤ 7.2.8
  • affected 7.0.0 – ≤ 7.0.15

• Fortinet · FortiOS

  • affected 6.4.0 – ≤ 6.4.15
  • affected 6.2.0 – ≤ 6.2.16
  • affected 6.0.0 – ≤ 6.0.18

• Fortinet · FortiPAM

  • affected 1.2.0
  • affected 1.1.0 – ≤ 1.1.2
  • affected 1.0.0 – ≤ 1.0.3

• Fortinet · FortiSwitchManager

  • affected 7.2.0 – ≤ 7.2.3
  • affected 7.0.0 – ≤ 7.0.3

What to do

Solution: Upgrade to FortiSwitchManager version 7.2.4 or above Upgrade to FortiSwitchManager version 7.0.4 or above Upgrade to FortiOS version 6.4.16 or above Upgrade to FortiOS version 6.2.17 or above Upgrade to FortiManager version 7.0.12 or above Upgrade to FortiManager version 6.4.15 or above Upgrade to FortiPAM version 1.3.0 or above Upgrade to FortiProxy version 7.4.3 or above Upgrade to FortiProxy version 7.2.9 or above Upgrade to FortiProxy version 7.0.16 or above

References (1)

• https://fortiguard.fortinet.com/psirt/FG-IR-24-042 (opens in a new tab)

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2024-26009](https://trackcve.app/badge/CVE-2024-26009.svg)](https://trackcve.app/cve/CVE-2024-26009)

Record last updated 20 Apr 2026, 07:54 UTC.