Is CVE-2024-23113 in the CISA KEV catalog?

Yes. CVE-2024-23113 is on the CISA Known Exploited Vulnerabilities list, added 2024-10-09.

What is the CVSS severity of CVE-2024-23113?

CVE-2024-23113 has a CVSS v3 base score of 9.8 (CRITICAL).

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

CVE-2024-23113 has an EPSS score of 61.72% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2024-23113?

No published fix for CVE-2024-23113 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2024-10-30. Apply the vendor's mitigations per CISA's guidance.

CVE & CISA-KEV Catalog

CVE-2024-23113

CRITICALCISA KEVEPSS 99th pctl

9.8

CVSS v3

NVD

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.

CWE-134

How to fix

Actively exploited, no published fix found yet

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Federal remediation due: 2024-10-30

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

61.72%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Fortinet Multiple Products Format String Vulnerability

Fortinet FortiOS, FortiPAM, FortiProxy, and FortiWeb contain a format string vulnerability that allows a remote, unauthenticated attacker to execute arbitrary code or commands via specially crafted requests.

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Remediation due: 2024-10-30

References

Vendor Advisory1

fortiguard.com

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-134 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13160	Critical	9.8	81%	-	Fix
CVE-2023-22374	High	8.5	73%	-	-
CVE-2012-1851	High	10.0	66%	-	-
CVE-2012-3569	High	9.3	48%	-	-
CVE-2018-6317	Critical	9.1	44%	-	-
CVE-2019-1579	High	8.1	39%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-24.