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CVE-2023-36639

A use of externally-controlled format string in Fortinet FortiProxy versions 7.2.0 through 7.2.4, 7.0.0 through 7.0.10, FortiOS versions…

High7.0EPSS 1.1%
Published
Updated
Reserved
Assigned by
fortinet

Description

A use of externally-controlled format string in Fortinet FortiProxy versions 7.2.0 through 7.2.4, 7.0.0 through 7.0.10, FortiOS versions 7.4.0, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.12, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiPAM versions 1.0.0 through 1.0.3 allows attacker to execute unauthorized code or commands via specially crafted API requests.

Scores

CVSS scores of CVE-2023-36639, by who scored it
Scored byCVSSScoreVector
fortinetCNA (assigner)3.1High7.0CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C
NVDNVD · Modified3.1High8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
1.1% · top 35% of all CVEs (6 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.

Weakness

Affected products

  • Fortinet · FortiOS

    • affected 7.4.0
    • affected 7.2.0 – ≤ 7.2.4
    • affected 7.0.0 – ≤ 7.0.11
    • affected 6.4.0 – ≤ 6.4.12
    • affected 6.2.0 – ≤ 6.2.15
    • affected 6.0.0 – ≤ 6.0.17

  • Fortinet · FortiPAM

    • affected 1.1.0
    • affected 1.0.0 – ≤ 1.0.3

  • Fortinet · FortiProxy

    • affected 7.2.0 – ≤ 7.2.4
    • affected 7.0.0 – ≤ 7.0.10

What to do

Solution: Please upgrade to FortiOS version 7.4.1 or above Please upgrade to FortiOS version 7.2.5 or above Please upgrade to FortiOS version 7.0.12 or above Please upgrade to FortiOS version 6.4.13 or above Please upgrade to FortiOS version 6.2.16 or above Please upgrade to FortiPAM version 1.2.0 or above Please upgrade to FortiPAM version 1.1.1 or above Please upgrade to FortiProxy version 7.4.0 or above Please upgrade to FortiProxy version 7.2.5 or above Please upgrade to FortiProxy version 7.0.11 or above Please upgrade to FortiSASE version 23.3 or above

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2023-36639 badge
[![CVE-2023-36639](https://trackcve.app/badge/CVE-2023-36639.svg)](https://trackcve.app/cve/CVE-2023-36639)

Record last updated .