CVE-2022-42475

criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.995 · 100 %ileexploit · PoCDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 9 exploits · PoC

Likely / severe?

99.5% (100th) EPSS

CVSS 9.8 · critical

Is it mine?

56 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

added 2022-12-13remediate by 2023-01-03

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-24

Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability

A heap-based buffer overflow vulnerability [CWE-122] in FortiOS SSL-VPN 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0 through 6.4.10, 6.2.0 through 6.2.11, 6.0.15 and earlier and FortiProxy SSL-VPN 7.2.0 through 7.2.1, 7.0.7 and earlier may allow a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests.

remediations

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

A vendor fix is available.

FixedRUGGEDCOM APE1808siemens_psirt
Update Fortigate NGFW to V7.4.7. Contact customer support to receive patch and update information
FixedRUGGEDCOM APE1808cisa_csaf_ot
Update Fortigate NGFW to V7.4.7. Contact customer support to receive patch and update information
MitigationRUGGEDCOM APE1808siemens_psirt
Refer to Fortinet Blog for mitigation measures https://www.fortinet.com/blog/psirt-blogs/analysis-of-threat-actor-activity
MitigationRUGGEDCOM APE1808cisa_csaf_ot
Refer to Fortinet Blog for mitigation measures https://www.fortinet.com/blog/psirt-blogs/analysis-of-threat-actor-activity

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

v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/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

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-122USCWE-197USCWE-197USCWE-197US

ATT&CK techniques

ATT&CK techniques this enables or maps to.

exploits (9)

Public proof-of-concept and weaponised exploit code.

0xhaggis/CVE-2022-42475An exploit for CVE-2022-42475, a pre-authentication heap overflow in Fortinet networking productsPoC · poc_in_github
Amir-hy/cve-2022-42475FortiOS buffer overflow vulnerabilityPoC · poc_in_github
ArthurHendrich/CVE-2022-42475-POCArthurHendrich/CVE-2022-42475-POCPoC · poc_in_github
Mustafa1986/cve-2022-42475-FortinetMustafa1986/cve-2022-42475-FortinetPoC · poc_in_github
P4x1s/CVE-2022-42475-RCE-POCCVE-2022-42475 飞塔RCE漏洞 POCPoC · poc_in_github
bryanster/ioc-cve-2022-42475test for the ioc described for FG-IR-22-398PoC · poc_in_github

affected products (56)

Products and version ranges known to be affected.

RUGGEDCOM APE1808all versionscisa_csaf_otUS
Siemens RUGGEDCOM APE1808≤ vers:all/*cisa_csaf_otUS
Fortinet FortiOS≤ 7.2.0 ≤7.2.2enisa_euvdEU
Fortinet FortiOS≤ 7.0.0 ≤7.0.8enisa_euvdEU
Fortinet FortiOS≤ 5.2.0 ≤5.2.15enisa_euvdEU
Fortinet FortiOS≤ 6.2.0 ≤6.2.11enisa_euvdEU
Fortinet FortiOS≤ 5.6.0 ≤5.6.14enisa_euvdEU
Fortinet FortiOS≤ 6.0.0 ≤6.0.15enisa_euvdEU
Fortinet FortiOS≤ 5.4.0 ≤5.4.13enisa_euvdEU
Fortinet FortiOS≤ 5.0.0 ≤5.0.14enisa_euvdEU
Fortinet FortiOS≤ 6.4.0 ≤6.4.10enisa_euvdEU
Fortinet FortiProxy≤ 1.0.0 ≤1.0.7enisa_euvdEU
Fortinet FortiProxy≤ 7.2.0 ≤7.2.1enisa_euvdEU
Fortinet FortiProxy≤ 2.0.0 ≤2.0.11enisa_euvdEU
Fortinet FortiProxy≤ 7.0.0 ≤7.0.7enisa_euvdEU
Fortinet FortiProxy≤ 1.2.0 ≤1.2.13enisa_euvdEU
Fortinet FortiProxy≤ 1.1.0 ≤1.1.6enisa_euvdEU
Fortinet Inc. FortiOS5.0.0 → 5.0.14fstec_bduRU
Fortinet Inc. FortiOS5.2.0 → 5.2.15fstec_bduRU
Fortinet Inc. FortiOS5.4.0 → 5.4.13fstec_bduRU

showing 20 of 56

advisories (3)

Vendor and ecosystem advisories describing this.

SSA-770770SSA-770770: Multiple Vulnerabilities in Fortigate NGFW Before V7.4.7 on RUGGEDCOM APE1808 Devices2025-02-11csaf · 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.
WID-SEC-W-2022-2293Fortinet FortiOS und FortiProxy: Schwachstelle ermöglicht CodeausführungDeutsch2022-12-12csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Fortinet FortiOS und FortiProxy ausnutzen, um beliebigen Programmcode auszuführen.
ICSA-25-044-06Siemens RUGGEDCOM APE18082025-02-11icsa · 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.

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 siemens_psirt cert_bund NVD CVE.org MITRE

published 2023-01-02modified 2026-06-17

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+16030 more

references (8)

External citations — patches, advisories, analysis.

scry

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