CVE-2023-36639

highpriority · track · 35EPSS 0.011 · 64 %ileDEEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
1.06% (64th) EPSS
CVSS 8.8 · high
Is it mine?
33 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-24

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedRUGGEDCOM APE1808siemens_psirt

    Update Fortigate NGFW to V7.4.1. Contact customer support to receive patch and update information.

  • FixedRUGGEDCOM APE1808cisa_csaf_ot

    Update Fortigate NGFW to V7.4.1. Contact customer support to receive patch and update information.

02

cvss

Technical severity, 0–10. One row per scoring source.

8.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9
v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US
v3.17.2highAV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.17highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:Csecondary · ENISA EU
v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@fortinet.comexploitability 1.2 · impact 5.9
v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · Siemens ProductCERT DE
v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-134USCWE-134USCWE-134USCWE-134US
04

affected products (33)

Products and version ranges known to be affected.

showing 20 of 33
05

advisories (3)

Vendor and ecosystem advisories describing this.

  • SSA-366067SSA-366067: Multiple Vulnerabilities in Fortigate NGFW Before V7.4.1 on RUGGEDCOM APE1808 Devices2024-03-12csaf · siemens_psirtDE

    Fortinet has published information on vulnerabilities in FORTIOS. This advisory lists the related Siemens Industrial products. Siemens has released a new version for RUGGEDCOM APE1808 and recommends to update to the latest version. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

  • WID-SEC-W-2023-3120Fortinet FortiOS und FortiProxy: Mehrere SchwachstellenDeutsch2023-12-12csaf · cert_bundDE

    Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Fortinet FortiOS und Fortinet FortiProxy ausnutzen, um beliebigen Programmcode auszuführen oder Sicherheitsmaßnahmen zu umgehen.

  • ICSA-24-074-11Siemens RUGGEDCOM APE1808 with Fortigate NGFW Devices2024-03-12icsa · cisa_csaf_otUS

    Fortinet has published information on vulnerabilities in FORTIOS. This advisory lists the related Siemens Industrial products. Siemens has released a new version for RUGGEDCOM APE1808 and recommends to update to the latest version. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

06

also known as (5)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducisa_csaf_otsiemens_psirtcert_bundNVDCVE.orgMITRE
published 2023-12-13modified 2026-06-17
08

references (5)

External citations — patches, advisories, analysis.

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