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Critical

CVE-2023-36554 — A improper access control in Fortinet FortiManager version 7.4.0, version 7.2.0 through 7.2.3, version 7.0.0 …

CVE-2023-36554 · FortiManager · CVSS 9.8

In brief

Severity · CVSS
Critical9.8CVSS 3.1, Critical
EPSS
0.77%
CISA KEV
Not listed
CERT-FR
No advisory or alert referenced in the catalog
Vendor
Fortinet
Products
FortiManager
Published · Modified
·
Last verified

Summary

A improper access control in Fortinet FortiManager version 7.4.0, version 7.2.0 through 7.2.3, version 7.0.0 through 7.0.10, version 6.4.0 through 6.4.13, 6.2 all versions allows attacker to execute unauthorized code or commands via specially crafted HTTP requests.

Weakness: CWE-284

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.

4 branches with a published fixed release · 1 branch to migrate

Fortinet FortiManager

Source: FG-IR-23-103CVE-2023-36554

  1. 7.4
    Affected versions7.4.0
    First fixed release7.4.1
  2. 7.2End of life
    Affected versions7.2.0 – 7.2.3
    First fixed release7.2.4
  3. 7.0End of life
    Affected versions7.0.0 – 7.0.10
    First fixed release7.0.11
  4. 6.4End of life
    Affected versions6.4.0 – 6.4.13
    First fixed release6.4.14
  5. 6.2End of life
    Affected versions6.2.0 – 6.2.12
    First fixed releaseMigration to a fixed release required

Releases the vendor does not list are not affected.

Remediation

Fix available

Vendor fix

  • FortiManager 7.47.4.1
  • FortiManager 7.27.2.4
  • FortiManager 7.07.0.11
  • FortiManager 6.46.4.14

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

  • FortiManager 6.2

Please upgrade to FortiManager version 7.4.1 or above Please upgrade to FortiManager version 7.2.4 or above Please upgrade to FortiManager version 7.0.11 or above Please upgrade to FortiManager version 6.4.14 or above

SourceFortinet (CVE record)

SourceFortiGuard FG-IR-23-103

Last verified 1 Oct 2026 at 09:29 UTC

Known exploitation

Not listed in CISA KEV as of the last check.

0.77% probability of exploitation in the next 30 days (percentile 54%).

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

CERT-FR

No CERT-FR advisory or alert of the last two years references this CVE, for the vendors Patcharo covers.

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-23-103

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.

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  • CVE-2025-61848An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fort…High
  • CVE-2025-48418A hidden functionality vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.3, FortiAnalyzer 7.4.0 throu…High
  • CVE-2026-22572An authentication bypass using an alternate path or channel vulnerability in Fortinet FortiAnalyzer 7.6.0 thr…High
  • CVE-2025-68648A use of externally-controlled format string vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.4, For…High

All FortiManager vulnerabilitiesAll Fortinet vulnerabilities