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Vulnerability Intelligence

CVE-2022-39952

CriticalExploitedPublic exploit

A external control of file name or path in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, 8.3.7 may allow an unauthenticated attacker to execute unauthorized code or…

Published Feb 17, 2023 · Updated Oct 23, 2024

Key Facts

Patch immediately
  • CVE-2022-39952 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting FortiNAC (Fortinet).
  • It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Jul 5, 2023. Public exploit code is available.
  • EPSS estimates a 100% probability of exploitation in the next 30 days.
  • Fixed versions are available, including FortiNAC <=8.8.9, FortiNAC 8.8.9.
  • 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)

100%

Higher than 99.9% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

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Description

A external control of file name or path in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 8.6.0 through 8.6.5, 8.5.0 through 8.5.4, 8.3.7 may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP request.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedJul 5, 2023n/aNot reported
CIRCL KEVOct 14, 2023n/aNot reported

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

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
FortiNACFortinet>= 9.4.08.8.9

Patched Releases

FortiNAC

<=8.8.9

Timeline

  1. Publicly disclosed

    Feb 17, 2023

  2. Added to Industry KEV feed

    Jul 5, 2023

  3. Added to CIRCL KEV

    Oct 14, 2023

  4. Last updated

    Oct 23, 2024

Weakness Type

  • CWE-73 External Control of File Name or Path
  • CWE-668 Exposure of Resource to Wrong Sphere

References

13 more references in the full CVE brief

FAQ

Common Questions.

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