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Vulnerability Intelligence

CVE-2024-23113

CriticalExploitedPublic exploit

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…

Published Feb 16, 2024 · Updated Oct 21, 2025

Key Facts

Patch immediately
  • CVE-2024-23113 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting FortiProxy (Fortinet), FortiSwitchManager (Fortinet), FortiOS (Fortinet) and 1 more product.
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 9, 2024. Public exploit code is available.
  • EPSS estimates a 62% probability of exploitation in the next 30 days.
  • Fixed versions are available, including FortiOS <=7.0.13, FortiPAM <=1.0.3, FortiProxy <=7.0.14.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

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

EPSS (30-day exploit likelihood)

62%

Higher than 99.1% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2024-23113 brief as a PDF

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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.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVOct 9, 2024Oct 30, 2024Not reported
Industry KEV feedOct 9, 2024Oct 30, 2024Not reported
CIRCL KEVOct 9, 2024Oct 30, 2024Not reported
ENISA EUVDOct 9, 2024n/aNot reported

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

Affected Products

9 affected entries in total
ProductAffected versionsFixed in
FortiProxyFortinet>= 7.4.07.0.14
FortiSwitchManagerFortinet>= 7.2.07.0.3
FortiOSFortinet>= 7.4.07.0.13
FortiPAMFortinet1.2.0, >= 1.2.01.0.3

Patched Releases

FortiOS

<=7.0.13

FortiPAM

<=1.0.3

FortiProxy

<=7.0.14

FortiSwitchManager

<=7.0.3

Timeline

  1. Publicly disclosed

    Feb 16, 2024

  2. Added to CISA KEV

    Oct 9, 2024

  3. Added to Industry KEV feed

    Oct 9, 2024

  4. Added to CIRCL KEV

    Oct 9, 2024

  5. Added to ENISA EUVD

    Oct 9, 2024

  6. Last updated

    Oct 21, 2025

Weakness Type

  • CWE-134 Use of Externally-Controlled Format String

References

11 more references in the full CVE brief

FAQ

Common Questions.

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