CVE-2018-9195

mediumpriority · track · 25OT risk · elevatedEPSS 0.016 · 75 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.58% (75th) EPSS

CVSS 4.3 · medium

Is it mine?

10 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

Use of a hardcoded cryptographic key in the FortiGuard services communication protocol may allow a Man in the middle with knowledge of the key to eavesdrop on and modify information (URL/SPAM services in FortiOS 5.6, and URL/SPAM/AV services in FortiOS 6.0.; URL rating in FortiClient) sent and received from Fortiguard severs by decrypting these messages. Affected products include FortiClient for Windows 6.0.6 and below, FortiOS 6.0.7 and below, FortiClient for Mac OS 6.2.1 and below.

cvss

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

5.9

010

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

v2.04.3mediumAV:N/AC:M/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 3.6

v3.15.9mediumAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.4mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/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-798USprimaryCWE-321USCWE-798US

affected products (10)

Products and version ranges known to be affected.

Fortinet FortiClient for Mac OS≤ FortiClient for Mac OS 6.2.1 and belowenisa_euvdEU
Fortinet FortiClient for Windows≤ FortiClient for Windows 6.0.6 and belowenisa_euvdEU
Fortinet FortiOS≤ FortiOS 6.0.7 and belowenisa_euvdEU
Fortinet Inc. FortiClient Windows≤ 6.2.0fstec_bduRU
Fortinet Inc. FortiClientMac≤ 6.2.2fstec_bduRU
Fortinet Inc. FortiOS≤ 5.6.12fstec_bduRU
Fortinet Inc. FortiOS6.0.0 → 6.0.8fstec_bduRU
fortinet forticlient≤ 6.0.6nvdUScpe:2.3:a:fortinet:forticlient:*:*:*:*:*:*:*:*
fortinet forticlient≤ 6.2.1nvdUScpe:2.3:a:fortinet:forticlient:*:*:*:*:*:*:*:*
fortinet fortios≤ 6.0.6nvdUScpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2019-11-21modified 2026-06-17

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+2276 more

references (10)

External citations — patches, advisories, analysis.

scry

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