How severe is CVE-2024-23113?

CVE-2024-23113 has a CVSS score of 9.8/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2024-23113?

Affected package information for CVE-2024-23113 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2024-23113?

No fixed version has been published for CVE-2024-23113 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2024-23113 actively exploited in the wild?

Yes. There are 10 known exploit references for CVE-2024-23113, including 9 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2024-23113?

CVE-2024-23113 has an EPSS (Exploit Prediction Scoring System) score of 54.4%, placing it in the 98th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2024-23113 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2024-23113 (Fortinet Multiple Products Format String Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2024-10-09. CISA required all US federal civilian agencies to remediate this vulnerability by 2024-10-30. The required action was: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2024-23113?

CVE-2024-23113 is classified as CWE-134 (CWE-134). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2024-23113?

CVE-2024-23113 affects fortinet fortios; fortinet fortipam (1 version, e.g. 1.2.0); fortinet fortiproxy; fortinet fortiswitchmanager. Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2024-23113 published, and has it been updated?

CVE-2024-23113 was published on February 15, 2024 and was last updated on October 24, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2024-10-09 — agencies required to remediate by 2024-10-30

CVE-2024-23113

CRITICAL

A use of externally-controlled format string in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0…

Published

Feb 15, 2024

Updated

Oct 24, 2025

Affected

0 pkgs

Patched

None yet

Exploits

10 known

EPSS Exploitation Probability

via FIRST.org ↗

54.4%probability of exploitation in next 30 days

High Risk98th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

A use of externally-controlled format string in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, FortiPAM versions 1.2.0, 1.1.0 through 1.1.2, 1.0.0 through 1.0.3, FortiSwitchManager versions 7.2.0 through 7.2.3, 7.0.0 through 7.0.3 allows attacker to execute unauthorized code or commands via specially crafted packets.

Affected Products

4 products · 11 configurations

fortiosfortinet

≥ 7.4.0 && ≤ 7.4.2

range

fortipamfortinet

≥ 1.1.0 && ≤ 1.1.2

1 version

1.2.0

Application

fortiproxyfortinet

≥ 7.4.0 && ≤ 7.4.2

range

Application

fortiswitchmanagerfortinet

≥ 7.2.0 && ≤ 7.2.3

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.