CVE-2022-40681

highpriority · track · 28OT risk · elevatedEPSS 0.002 · 11 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.21% (11th) EPSS

CVSS 7.1 · high

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · cert_bund

EPSS · scored 2026-10-27

A incorrect authorization in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10 allows an attacker to cause denial of service via sending a crafted request to a specific named pipe.

cvss

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

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.1

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.2

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:H/RL:U/RC:Csecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hsecondary · psirt@fortinet.comexploitability 1.8 · impact 5.2

v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/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-863US

affected products (8)

Products and version ranges known to be affected.

Fortinet FortiClientWindows≤ 6.2.0 ≤6.2.9enisa_euvdEU
Fortinet FortiClientWindows≤ 6.0.0 ≤6.0.10enisa_euvdEU
Fortinet FortiClientWindows≤ 7.0.0 ≤7.0.7enisa_euvdEU
Fortinet FortiClientWindows≤ 6.4.0 ≤6.4.8enisa_euvdEU
fortinet forticlient6.0.0 → 6.0.10nvdUScpe:2.3:a:fortinet:forticlient:*:*:*:*:*:*:*:*
fortinet forticlient6.2.0 → 6.2.9nvdUScpe:2.3:a:fortinet:forticlient:*:*:*:*:*:*:*:*
fortinet forticlient6.4.0 → 6.4.8nvdUScpe:2.3:a:fortinet:forticlient:*:*:*:*:*:*:*:*
fortinet forticlient7.0.0 → 7.0.7nvdUScpe:2.3:a:fortinet:forticlient:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2912Fortinet FortiClient: Mehrere SchwachstellenDeutsch2023-11-14csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Fortinet FortiClient ausnutzen, um seine Privilegien zu erweitern, einen Denial-of-Service-Zustand zu verursachen oder Sicherheitsmaßnahmen zu umgehen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd cert_bund NVD CVE.org MITRE

published 2023-11-14modified 2026-06-17

references (5)

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