CVE-2025-64155

criticalpriority · track · 25EPSS 0.436 · 99 %ileexploit · PoCDEEUNLRUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

4 exploits · PoC

Likely / severe?

43.6% (99th) EPSS

CVSS 9.8 · critical

Is it mine?

25 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

An improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4, FortiSIEM 7.1.0 through 7.1.8, FortiSIEM 7.0.0 through 7.0.4, FortiSIEM 6.7.0 through 6.7.10 may allow an attacker to execute unauthorized code or commands via crafted TCP requests.

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

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.4criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/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:H/E:Hsecondary · CVSS-BT (t0sche)

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · NCSC-NL NL

ssvc

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

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

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-78USCWE-78USCWE-78US

exploits (4)

Public proof-of-concept and weaponised exploit code.

Mefhika120/Ashwesker-CVE-2025-64155CVE-2025-64155PoC · poc_in_github
cyberdudebivash/CYBERDUDEBIVASH-FortiSIEM-CVE-2025-64155-ScannerAuthorized high-impact tool from CYBERDUDEBIVASH ECOSYSTEM to detect CVE-2025-64155 (FortiSIEM phMonitor Command Injection). Scans for open ports and vulnerable behaviors ethically.PoC · poc_in_github
horizon3ai/CVE-2025-64155CVE-2025-64155: Fortinet FortiSIEM Argument Injection to Remote Code ExecutionPoC · poc_in_github
purehate/CVE-2025-64155-hunterCVE-2025-64155-hunterPoC · poc_in_github

affected products (25)

Products and version ranges known to be affected.

Fortinet FortiSIEM <7.1.9all versionscert_bundDE
Fortinet FortiSIEM <7.2.7all versionscert_bundDE
Fortinet FortiSIEM <7.3.5all versionscert_bundDE
Fortinet FortiSIEM <7.4.1all versionscert_bundDE
Fortinet FortiSIEM< 7.1.9cert_bundDE
Fortinet FortiSIEM< 7.2.7cert_bundDE
Fortinet FortiSIEM< 7.3.5cert_bundDE
Fortinet FortiSIEM< 7.4.1cert_bundDE
Fortinet FortiSIEM≤ 7.0.4enisa_euvdEU
Fortinet FortiSIEM≤ 7.4.0enisa_euvdEU
Fortinet FortiSIEM≤ 6.7.10enisa_euvdEU
Fortinet FortiSIEM≤ 7.1.8enisa_euvdEU
Fortinet FortiSIEM≤ 7.2.6enisa_euvdEU
Fortinet FortiSIEM≤ 7.3.0 ≤7.3.4enisa_euvdEU
Fortinet Inc. FortiSIEM6.7.0 → 6.7.10fstec_bduRU
Fortinet Inc. FortiSIEM7.0.0 → 7.0.4fstec_bduRU
Fortinet Inc. FortiSIEM7.1.0 → 7.1.9fstec_bduRU
Fortinet Inc. FortiSIEM7.2.0 → 7.2.7fstec_bduRU
Fortinet Inc. FortiSIEM7.3.0 → 7.3.5fstec_bduRU
Fortinet Inc. FortiSIEM7.4.0 → 7.4.1fstec_bduRU

showing 20 of 25

advisories (2)

Vendor and ecosystem advisories describing this.

NCSC-2026-0019Kwetsbaarheid verholpen in Fortinet FortiSIEMNL2026-01-16csaf · ncsc_nlNL
Fortinet heeft een kwetsbaarheid verholpen in FortiSIEM (Versies 6.7.0 tot 7.4.0).
WID-SEC-W-2026-0087Fortinet FortiSIEM: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode mit den Rechten des DienstesDeutsch2026-01-13csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Fortinet FortiSIEM ausnutzen, um beliebigen Programmcode mit den Rechten des Dienstes auszuführen.

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 ncsc_nl NVD CVE.org MITRE

published 2026-01-13modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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