CVE-2023-33306

mediumpriority · track · 26EPSS 0.008 · 57 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.84% (57th) EPSS

CVSS 6.5 · medium

Is it mine?

18 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-24

A null pointer dereference in Fortinet FortiOS before 7.2.5, before 7.0.11 and before 6.4.13, FortiProxy before 7.2.4 and before 7.0.10 allows attacker to denial of sslvpn service via specifically crafted request in bookmark parameter.

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.

cvss

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

6.5

010

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

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · CISA US

v3.16.5mediumAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.2mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:Xsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · psirt@fortinet.comexploitability 2.8 · impact 3.6

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · Siemens ProductCERT DE

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USprimaryCWE-476USCWE-476USCWE-476US

affected products (18)

Products and version ranges known to be affected.

RUGGEDCOM APE1808all versionscisa_csaf_otUS
Siemens RUGGEDCOM APE1808≤ vers:all/*cisa_csaf_otUS
Fortinet FortiOS≤ 6.4.0 ≤6.4.12enisa_euvdEU
Fortinet FortiOS≤ 7.0.0 ≤7.0.10enisa_euvdEU
Fortinet FortiOS≤ 7.2.0 ≤7.2.4enisa_euvdEU
Fortinet FortiProxy≤ 7.0.0 ≤7.0.9enisa_euvdEU
Fortinet FortiProxy≤ 7.2.0 ≤7.2.3enisa_euvdEU
Fortinet Inc. FortiOS6.4.0 → 6.4.12fstec_bduRU
Fortinet Inc. FortiOS7.0.0 → 7.0.10fstec_bduRU
Fortinet Inc. FortiOS7.2.0 → 7.2.4fstec_bduRU
Fortinet Inc. FortiProxy7.0.0 → 7.0.9fstec_bduRU
Fortinet Inc. FortiProxy7.2.0 → 7.2.3fstec_bduRU
fortinet fortios6.4.0 → 6.4.13nvdUScpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinet fortios7.0.0 → 7.0.11nvdUScpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinet fortios7.2.0 → 7.2.5nvdUScpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinet fortiproxy7.0.0 → 7.0.10nvdUScpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
fortinet fortiproxy7.2.0 → 7.2.4nvdUScpe: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-2023-1491Fortinet FortiOS: Schwachstelle ermöglicht Denial of ServiceDeutsch2023-06-18csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Fortinet FortiOS und Fortinet FortiProxy ausnutzen, um einen Denial of Service Angriff durchzuführen.
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 (5)

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 2023-06-16modified 2026-06-17

related (8,754)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-21525US	—OT critical	4.83% (92nd)	KEV	2026-02-10
Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker to deny service locally.
CVE-2010-0425US	high10.0	94.2% (100th)	Exploit	2010-03-05
modules/arch/win32/mod_isapi.c in mod_isapi in the Apache HTTP Server 2.0.37 through 2.0.63, 2.2.0 through 2.2.14, and 2.3.x before 2.3.7, when running on Windows, does not ensure…
CVE-2012-0779US	high9.3	87.1% (100th)	Exploit	2012-05-04
Adobe Flash Player before 10.3.183.19 and 11.x before 11.2.202.235 on Windows, Mac OS X, and Linux; before 11.1.111.9 on Android 2.x and 3.x; and before 11.1.115.8 on Android 4.x a…
CVE-2012-5896US	high10.0	68.7% (99th)	Exploit	2012-11-17
The Annotation Objects Extension ActiveX control in AnnotateX.dll in Quest InTrust 10.4.0.853 and earlier does not properly implement the Add method, which allows remote attackers…
CVE-2003-0772US	high7.5	84.9% (100th)	Exploit	2003-09-22
Multiple buffer overflows in WS_FTP 3 and 4 allow remote authenticated users to cause a denial of service and possibly execute arbitrary code via long (1) APPE (append) or (2) STAT…

+8749 more

references (4)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan