Is CVE-2023-45583 being actively exploited?

CVE-2023-45583 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2023-45583?

CVE-2023-45583 has a CVSS 3.1 base score of 6.7 (MEDIUM).

CVE-2023-45583

MEDIUM · CVSS 6.7EPSS 0.7%EU EUVD

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, FortiSwitchManager 7.2.0 through 7.2.2, FortiSwitchManager 7.0.0 through 7.0.2 allows attacker to execute unauthorized code or commands via specially crafted cli commands and http requests.

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: 0.7% (50th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2023-49875)
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-2023-49875 in the EU Vulnerability Database. Last updated in EUVD on June 12, 2026.

View on the EU Vulnerability Database

Affected products

fortinet / fortios
fortinet / fortios
fortinet / fortipam
fortinet / fortipam
fortinet / fortiproxy
fortinet / fortiswitchmanager

Certified products that may be affected

8 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
FortiOS 5.6 - Fortinet, Inc. - FIPS 140 3639 - historical
FortiProxy-400E/2000E/4000E - Fortinet, Inc. - FIPS 140 3628 - historical
Fortinet FortiProxy v1.0 - Fortinet, Inc. - Common Criteria 383-4-475 - archived

See all 8 in the Security Certifications Explorer.

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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