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CVE-2024-26013 — A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet For…

CVE-2024-26013 · FortiProxy · CVSS 7.5

In brief

Severity · CVSS
High7.5CVSS 3.1, High
EPSS
0.50%
CISA KEV
Not listed
Vendor
Fortinet
Published · Modified
·
Last verified

Summary

A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet FortiOS version 7.4.0 through 7.4.4, 7.2.0 through 7.2.8, 7.0.0 through 7.0.15, 6.4.0 through 6.4.15 and before 6.2.16, Fortinet FortiProxy version 7.4.0 through 7.4.2, 7.2.0 through 7.2.9 and before 7.0.15, Fortinet FortiManager version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiAnalyzer version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiVoice version 7.0.0 through 7.0.2 before 6.4.8 and Fortinet FortiWeb before 7.4.2 may allow an unauthenticated attacker in a man-in-the-middle position to impersonate the management device (FortiCloud server or/and in certain conditions, FortiManager), via intercepting the FGFM authentication request between the management device and the managed device

Weakness: CWE-923

Title, description and the vendor's statements are quoted from the CVE record; a vendor's advisory is summarised in Patcharo's words, with a link.

Affected and fixed versions

Per product and release branch, as the vendor's CVE record and official advisory state them. A fixed release is shown only when a document names it: the vendor's, or CERT-FR's for Check Point, with its source.

10 branches with a published fixed release · 4 branches to migrate

Fortinet FortiProxy

Source: FG-IR-24-046CVE-2024-26013

  1. 7.6
    Affected versionsNot affected
    First fixed release—
  2. 7.4
    Affected versions7.4.0 – 7.4.2
    First fixed release7.4.3
  3. 7.2Approaching end of support
    Affected versions7.2.0 – 7.2.9
    First fixed release7.2.10
  4. 7.0End of life
    Affected versions7.0.0 – 7.0.15
    First fixed release7.0.16
  5. 2.0End of life
    Affected versions2.0.0 – 2.0.14
    First fixed releaseMigration to a fixed release required

Releases the vendor does not list are not affected.

Fortinet FortiManager

Source: FG-IR-24-046CVE-2024-26013

  1. 7.6
    Affected versionsNot affected
    First fixed release—
  2. 7.4
    Affected versions7.4.0 – 7.4.2
    First fixed release7.4.3
  3. 7.2End of life
    Affected versions7.2.0 – 7.2.4
    First fixed release7.2.5
  4. 7.0End of life
    Affected versions7.0.0 – 7.0.11
    First fixed release7.0.12
  5. 6.4End of life
    Affected versions6.4.0 – 6.4.14
    First fixed release6.4.15
  6. 6.2End of life
    Affected versions6.2.0 – 6.2.13
    First fixed releaseMigration to a fixed release required

Releases the vendor does not list are not affected.

Fortinet FortiOS

Source: FG-IR-24-046CVE-2024-26013

  1. 7.6
    Affected versionsNot affected
    First fixed release—
  2. 7.4
    Affected versions7.4.0 – 7.4.3
    First fixed release7.4.5
  3. 7.2End of life
    Affected versions7.2.0 – 7.2.7
    First fixed release7.2.9
  4. 7.0End of life
    Affected versions7.0.0 – 7.0.14
    First fixed release7.0.16
  5. 6.4End of life
    Affected versions6.4.0 – 6.4.15
    First fixed releaseMigration to a fixed release required
  6. 6.2End of life
    Affected versions6.2.0 – 6.2.16
    First fixed releaseMigration to a fixed release required

Releases the vendor does not list are not affected.

Remediation

Fix available

Vendor fix

  • FortiProxy 7.47.4.3
  • FortiProxy 7.27.2.10
  • FortiProxy 7.07.0.16
  • FortiManager 7.47.4.3
  • FortiManager 7.27.2.5
  • FortiManager 7.07.0.12
  • FortiManager 6.46.4.15
  • FortiOS 7.47.4.5
  • FortiOS 7.27.2.9
  • FortiOS 7.07.0.16

Upgrade to a fixed release listed above for your branch, or to a later fixed release the vendor explicitly supports.

Branches without a fix of their own: migrate to a fixed release

  • FortiProxy 2.0
  • FortiManager 6.2
  • FortiOS 6.4
  • FortiOS 6.2

Please upgrade to FortiProxy version 7.4.3 or above Please upgrade to FortiProxy version 7.2.10 or above Please upgrade to FortiProxy version 7.0.16 or above Please upgrade to FortiOS version 7.6.0 or above Please upgrade to FortiOS version 7.4.5 or above Please upgrade to FortiOS version 7.2.9 or above Please upgrade

Full text

to FortiOS version 7.0.16 or above Please upgrade to FortiOS version 6.2.17 or above Please upgrade to FortiVoice version 7.2.0 or above Please upgrade to FortiVoice version 7.0.3 or above Please upgrade to FortiVoice version 6.4.9 or above Please upgrade to FortiSASE version 23.1 or above Please upgrade to FortiManager version 7.4.3 or above Please upgrade to FortiManager version 7.2.5 or above Please upgrade to FortiManager version 7.0.12 or above Please upgrade to FortiManager version 6.4.15 or above Please upgrade to FortiManager version 6.2.14 or above Please upgrade …

SourceFortinet (CVE record)

SourceFortiGuard FG-IR-24-046

CERT-FR recommendation

Refer to the vendor's security bulletin to obtain patches (see Documentation section).

SourceCERTFR-2025-AVI-0293

Last verified 1 Oct 2026 at 09:33 UTC

Known exploitation

Not listed in CISA KEV as of the last check.

0.50% probability of exploitation in the next 30 days (percentile 40%).

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

CERT-FR

1 document of the French national CERT (ANSSI) references this CVE.

Advisory (AVI)CERTFR-2025-AVI-0293Published 9 Apr 2025

Multiple vulnerabilities in Fortinet products

Remote cross-site scripting (XSS)Remote arbitrary code executionData integrity breachSecurity policy bypassData confidentiality breachPrivilege escalation

Summary

Multiple vulnerabilities have been discovered in Fortinet products. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation, and a data confidentiality breach.

Recommendation

Refer to the vendor's security bulletin to obtain patches (see Documentation section).

Official document on cert.ssi.gouv.frread by Patcharo 28 Sept 2026 at 20:04 UTCMachine translation of the French text published by CERT-FR; a text whose translation did not pass Patcharo's checks stays in French. Identifiers, versions and links are copied unchanged.

Timeline

  1. Published by the source
  2. Source record last modified
  3. EPSS score computed
  4. Last verified by Patcharo

Official sources

References

Fortinet · NVD · FIRST EPSS · FortiGuard FG-IR-24-046

How Patcharo reads this

Affected and fixed releases come from the vendor's structured statements and are matched against exact versions; CVSS from NVD, exploitation from CISA KEV and the vendor's own advisory, probability from FIRST EPSS. Missing data stays Unknown and never becomes Not affected.

Read the methodologyRead the guide: FortiOS version numbering: branches, patch releases and the Feature and Mature labels

Related vulnerabilities

Other records affecting the same products, newest first.

  • CVE-2026-70468A authentication bypass using an alternate path or channel vulnerability in Fortinet FortiManager 7.6.1, Fort…High
  • CVE-2026-71407A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 m…High
  • CVE-2025-53844A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, For…High
  • CVE-2025-61848An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fort…High
  • CVE-2025-53847A missing authentication for critical function vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS…High

All FortiProxy vulnerabilitiesAll FortiManager vulnerabilitiesAll FortiOS vulnerabilitiesAll Fortinet vulnerabilities