CVE-2023-33308

criticalpriority · track · 40EPSS 0.021 · 82 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.12% (82nd) EPSS

CVSS 9.8 · critical

Is it mine?

17 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-26

A stack-based overflow vulnerability [CWE-124] in Fortinet FortiOS version 7.0.0 through 7.0.10 and 7.2.0 through 7.2.3 and FortiProxy version 7.0.0 through 7.0.9 and 7.2.0 through 7.2.2 allows a remote unauthenticated attacker to execute arbitrary code or command via crafted packets reaching proxy policies or firewall policies with proxy mode alongside deep or full packet inspection.

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.
MitigationRUGGEDCOM APE1808siemens_psirt
Disable HTTP/2 support on SSL inspection profiles used by proxy policies or firewall policies with proxy mode (see https://www.fortiguard.com/psirt/FG-IR-23-183)
MitigationRUGGEDCOM APE1808cisa_csaf_ot
Disable HTTP/2 support on SSL inspection profiles used by proxy policies or firewall policies with proxy mode (see https://www.fortiguard.com/psirt/FG-IR-23-183)

cvss

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

9.8

010

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

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:X/RC:Csecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@fortinet.comexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · Siemens ProductCERT DE

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-121USCWE-121USCWE-121USCWE-124US

affected products (17)

Products and version ranges known to be affected.

RUGGEDCOM APE1808all versionscisa_csaf_otUS
Siemens RUGGEDCOM APE1808≤ vers:all/*cisa_csaf_otUS
Fortinet FortiOS≤ 7.0.0 ≤7.0.10enisa_euvdEU
Fortinet FortiOS≤ 7.2.0 ≤7.2.3enisa_euvdEU
Fortinet FortiProxy≤ 7.2.0 ≤7.2.2enisa_euvdEU
Fortinet FortiProxy≤ 7.0.0 ≤7.0.9enisa_euvdEU
Fortinet Inc. FortiOS7.0.0 → 7.0.10fstec_bduRU
Fortinet Inc. FortiOS7.2.0 → 7.2.3fstec_bduRU
Fortinet Inc. FortiProxy7.0.0 → 7.0.9fstec_bduRU
Fortinet Inc. FortiProxy7.2.0 → 7.2.2fstec_bduRU
fortinet fortios7.0.0 → 7.0.10nvdUScpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinet fortios7.2.0 → 7.2.3nvdUScpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinet fortiproxy7.0.0 → 7.0.9nvdUScpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
fortinet fortiproxy= 7.2.0nvdUScpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
fortinet fortiproxy= 7.2.1nvdUScpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
fortinet fortiproxy= 7.2.2nvdUScpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
Siemens RUGGEDCOM APE1808≤ vers:all/*siemens_psirtDE

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-2023-1708Fortinet FortiOS: Schwachstelle ermöglicht CodeausführungDeutsch2023-07-11csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Fortinet FortiOS und Fortinet FortiProxy ausnutzen, um beliebigen Programmcode auszuführen.
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd siemens_psirt cert_bund NVD CVE.org MITRE

published 2023-07-26modified 2026-06-17

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+16037 more

references (4)

External citations — patches, advisories, analysis.

scry

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