CVE-2023-36640 and CVE-2023-45583: use of externally-controlled format string vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0.0 through 6.0.16, FortiPAM 1.1.0, FortiPAM 1.0 all versions, FortiProxy 7.2.0 through 7.2.5, FortiProxy 7.0.0 through 7.0.11, FortiProxy 2.0 all versions, FortiProxy 01.02 all versions, FortiProxy 1.2 all versions, FortiProxy 01.01 all versions, FortiProxy 1.1 all versions, FortiProxy 01.00 all versions allows attacker to execute unauthorized code or commands via specially crafted commands
This Fortinet advisory covers CVE-2023-36640 and CVE-2023-45583 in FortiOS, FortiPAM and FortiProxy. Its rating, versions and guidance apply to the bulletin as a whole, not to each of its 2 CVEs.
Key facts
- Bulletin rating
- Medium, CVSS 6.7
- Affected
- FortiOS: 6.0.0 through 7.4.0 (vendor-listed versions); FortiPAM: 1.0.0 through 1.1.0 (vendor-listed versions); FortiProxy: 1.0.0 through 7.2.5 (vendor-listed versions) and 1 more below
- Source published
- Source revised
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0.0 through 6.0.16, FortiPAM 1.1.0, FortiPAM 1.0 all versions, FortiProxy 7.2.0 through 7.2.5, FortiProxy 7.0.0 through 7.0.11, FortiProxy 2.0 all versions, FortiProxy 01.02 all versions, FortiProxy 1.2 all versions, FortiProxy 01.01 all versions, FortiProxy 1.1 all versions, FortiProxy 01.00 all versions allows attacker to execute unauthorized code or commands via specially crafted commands
Affected products named by the advisory: FortiSwitchManager.
Text from the source record.
- FortiOS: 6.0.0 through 7.4.0 (vendor-listed versions)
- FortiPAM: 1.0.0 through 1.1.0 (vendor-listed versions)
- FortiProxy: 1.0.0 through 7.2.5 (vendor-listed versions)
- FortiSwitchManager: 7.0.0 through 7.2.2 (vendor-listed versions)
Official advisory · high-confidence parse· fetched ·verify at source
End-of-life dates for Fortinet FortiOS
More Fortinet advisories
CVE-2025-22258Oct 14, 2025heap-based buffer overflow in Fortinet FortiSRA 1.5.0, 1.4.0 through 1.4.2, FortiPAMCVE-2024-26011Nov 12, 2024FortiManager authentication bypassCVE-2024-26010Jun 11, 2024stack-based buffer overflow vulnerability in Fortinet FortiOS 7.4.0 through 7.4.3, FortiOSCVE-2023-45583May 14, 2024use of externally-controlled format string vulnerability in Fortinet FortiOS 7.4.0CVE-2025-59718Dec 9, 2025improper verification of cryptographic signature vulnerability in Fortinet FortiOS 7.6.0CVE-2025-59719Dec 9, 2025FortiOS: improper verification of cryptographic signature vulnerability in Fortinet
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