CVE-2026-39810

mediumpriority · track · 22OT risk · elevatedEPSS 0.001 · 1 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.10% (1st) EPSS

CVSS 5.5 · medium

Is it mine?

6 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A use of hard-coded cryptographic key vulnerability in Fortinet FortiClientEMS 7.4.0 through 7.4.5 may allow attacker to information disclosure via decrypting database dump.

cvss

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

6.0

010

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

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.16mediumAV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.15.2mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:Csecondary · ENISA EU

v3.16mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Nsecondary · psirt@fortinet.comexploitability 0.8 · impact 5.2

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/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-321USCWE-321US

affected products (6)

Products and version ranges known to be affected.

Fortinet FortiClient EMS <7.4.6all versionscert_bundDE
Fortinet FortiClient≤ EMS <7.4.6cert_bundDE
Fortinet FortiClientEMS≤ 7.4.0 ≤7.4.1enisa_euvdEU
Fortinet FortiClientEMS≤ 7.4.3 ≤7.4.5enisa_euvdEU
Fortinet Inc. FortiClientEMS7.4.0 → 7.4.5fstec_bduRU
fortinet forticlientems7.4.0 → 7.4.6nvdUScpe:2.3:a:fortinet:forticlientems:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1092Fortinet FortiClientEMS: Mehrere SchwachstellenDeutsch2026-04-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Fortinet FortiClientEMS ausnutzen, um Informationen offenzulegen oder eine SQL Injection durchzuführen.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2026-04-14modified 2026-10-26

references (3)

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