CVE-2023-36640
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 1.2 all versions, FortiProxy 1.1 all versions, FortiProxy 1.0 all versions allows attacker to execute unauthorized code or commands via specially crafted commands
Key facts
- CVSS score
- 6.7 (v3.1)
- Severity
- MEDIUM
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-134
- EPSS score
- 0.3% (19th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2023-40584)
- Published
- May 14, 2024
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2023-40584 in the EU Vulnerability Database. Last updated in EUVD on June 12, 2026.
View on the EU Vulnerability DatabaseAffected products
- fortinet / fortios
- fortinet / fortios
- fortinet / fortipam
- fortinet / fortiproxy
Certified products that may be affected
4 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Fortinet, Inc. FortiOS 7.0.7 - Fortinet, Inc. - Common Criteria NSCIB-CC-0590233-CR - active
- FortiGate/FortiOS Version 6.2.7 - Fortinet, Inc. - Common Criteria 559-LSS - archived
- FortiProxy-400E/2000E/4000E - Fortinet, Inc. - FIPS 140 3628 - historical
- Fortinet FortiProxy v1.0 - Fortinet, Inc. - Common Criteria 383-4-475 - archived
References
- https://fortiguard.com/psirt/FG-IR-23-137(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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