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CVE-2024-46670 — An Out-of-bounds Read vulnerability [CWE-125] in FortiOS version 7.6.0, version 7.4.4 and below, version 7.2.…

CVE-2024-46670 · FortiOS · CVSS 7.5

In brief

Severity · CVSS
High7.5CVSS 3.1, High
EPSS
0.63%
CISA KEV
Not listed
Vendor
Fortinet
Published · Modified
·
Last verified

Summary

An Out-of-bounds Read vulnerability [CWE-125] in FortiOS version 7.6.0, version 7.4.4 and below, version 7.2.9 and below and FortiSASE FortiOS tenant version 24.3.b IPsec IKE service may allow an unauthenticated remote attacker to trigger memory consumption leading to Denial of Service via crafted requests.

Weakness: CWE-125

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.

3 branches with a published fixed release · 9 branches without a precise fixed release

Fortinet FortiOS

Source: FG-IR-24-266CVE-2024-46670

  1. 7.6
    Affected versions7.6.0
    First fixed release7.6.1
  2. 7.4
    Affected versions7.4.0 – 7.4.4
    First fixed release7.4.5
  3. 7.2End of life
    Affected versions7.2.0 – 7.2.9
    First fixed release7.2.10
  4. 7.0End of life
    Affected versionsNot affected
    First fixed release—
  5. 6.4End of life
    Affected versionsNot affected
    First fixed release—

Releases the vendor does not list are not affected.

Fortinet FortiProxy

Source: CVE-2024-46670

  1. 7.4
    Affected versions7.4.0 – 7.4.5
    First fixed releaseNot published in the sources followed
  2. 7.2Approaching end of support
    Affected versions7.2.0 – 7.2.11
    First fixed releaseNot published in the sources followed
  3. 7.0End of life
    Affected versions7.0.0 – 7.0.18
    First fixed releaseNot published in the sources followed
  4. 2.0End of life
    Affected versions2.0.0 – 2.0.14
    First fixed releaseNot published in the sources followed

No precise fixed release is published for this product in the sources Patcharo follows.

Releases the vendor does not list are not affected.

Fortinet FortiPAM

Source: CVE-2024-46670

  1. 1.4
    Affected versions1.4.0 – 1.4.1
    First fixed releaseNot published in the sources followed
  2. 1.3
    Affected versions1.3.0
    First fixed releaseNot published in the sources followed
  3. 1.2
    Affected versions1.2.0
    First fixed releaseNot published in the sources followed
  4. 1.1
    Affected versions1.1.0 – 1.1.2
    First fixed releaseNot published in the sources followed
  5. 1.0
    Affected versions1.0.0 – 1.0.3
    First fixed releaseNot published in the sources followed

No precise fixed release is published for this product in the sources Patcharo follows.

Releases the vendor does not list are not affected.

Remediation

Fix available

Vendor fix

  • FortiOS 7.67.6.1
  • FortiOS 7.47.4.5
  • FortiOS 7.27.2.10

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

Please upgrade to FortiSASE version 24.3.c or above Please upgrade to FortiOS version 7.6.1 or above Please upgrade to FortiOS version 7.4.5 or above Please upgrade to FortiOS version 7.2.10 or above

SourceFortinet (CVE record)

SourceFortiGuard FG-IR-24-266

CERT-FR recommendation

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

SourceCERTFR-2025-AVI-0031

Last verified 1 Oct 2026 at 09:33 UTC

Known exploitation

Not listed in CISA KEV as of the last check.

0.63% probability of exploitation in the next 30 days (percentile 48%).

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

CERT-FR

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

Advisory (AVI)CERTFR-2025-AVI-0031Published 15 Jan 2025

Multiple vulnerabilities in Fortinet products

Remote denial of serviceRemote cross-site scripting (XSS)Remote arbitrary code executionData integrity breachNot specified by the vendorSecurity 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 remote denial of service.

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-24-266

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-2026-71407A 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-2025-53847A missing authentication for critical function vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS…High
  • CVE-2025-68686Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor VulnerabilityMediumKEV
  • CVE-2025-64157A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7…High

All FortiOS vulnerabilitiesAll FortiProxy vulnerabilitiesAll Fortinet vulnerabilities