CVE-2025-25256 - Vulnerability Details

Description

An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSIEM 7.3.0 through 7.3.1, FortiSIEM 7.2.0 through 7.2.5, FortiSIEM 7.1.0 through 7.1.7, FortiSIEM 7.0.0 through 7.0.3, FortiSIEM 6.7.0 through 6.7.9, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions, FortiSIEM 6.3 all versions, FortiSIEM 6.2 all versions, FortiSIEM 6.1 all versions, FortiSIEM 5.4 all versions, FortiSIEM 5.3 all versions, FortiSIEM 5.2 all versions, FortiSIEM 5.1 all versions, FortiSIEM 5.0 all versions, FortiSIEM 4.10 all versions, FortiSIEM 4.9 all versions, FortiSIEM 4.7 all versions allows an unauthenticated attacker to execute unauthorized code or commands via crafted CLI requests.

Published: 2025-08-12

Score: 9.8 Critical

EPSS: 60.3% High

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Fortinet

FortiSIEM

unaffected

Version	Status	Constraints
`7.3.0`	affected	≤ 7.3.1
`7.2.0`	affected	≤ 7.2.5
`7.1.0`	affected	≤ 7.1.7
`7.0.0`	affected	≤ 7.0.3
`6.7.0`	affected	≤ 6.7.9
`6.6.0`	affected	≤ 6.6.5
`6.5.0`	affected	≤ 6.5.3
`6.4.0`	affected	≤ 6.4.4
`6.3.0`	affected	≤ 6.3.3
`6.2.0`	affected	≤ 6.2.1
`6.1.0`	affected	≤ 6.1.2
`5.4.0`	affected	—
`5.3.0`	affected	≤ 5.3.3
`5.2.5`	affected	≤ 5.2.8
`5.2.1`	affected	≤ 5.2.2
`5.1.0`	affected	≤ 5.1.3
`5.0.0`	affected	≤ 5.0.1
`4.10.0`	affected	—
`4.9.0`	affected	—
`4.7.2`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:fortinet:fortisiem::::::::
	cpe:2.3:a:fortinet:fortisiem::::::::
	cpe:2.3:a:fortinet:fortisiem::::::::
	cpe:2.3:a:fortinet:fortisiem::::::::
	cpe:2.3:a:fortinet:fortisiem::::::::

No data.

Vendor	Product	Confidence	Versions
Fortinet	Fortisiem	—	—

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Remediation

Vendor Solution

Upgrade to FortiSIEM version 7.4.0 or above Upgrade to FortiSIEM version 7.3.2 or above Upgrade to FortiSIEM version 7.2.6 or above Upgrade to FortiSIEM version 7.1.8 or above Upgrade to FortiSIEM version 7.0.4 or above Upgrade to FortiSIEM version 6.7.10 or above

Tracking

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Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.60344.

Exploitation poc

Automatable yes

Technical Impact total

References

Link	Providers
https://fortiguard.fortinet.com/psirt/FG-IR-25-152
https://github.com/watchtowrlabs/watchTowr-vs-FortiSIEM-CVE-2025-25256
https://labs.watchtowr.com/should-security-solutions-be-secure-maybe-were-all-wrong-fortinet-fortisiem-pre-auth-command-injection-cve-2025-25256/
https://www.theregister.com/2025/08/13/fortinet_discloses_critical_bug/

History

Tue, 18 Aug 2026 21:15:00 +0000

Type	Values Removed	Values Added
Description	An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiSIEM version 7.3.0 through 7.3.1, 7.2.0 through 7.2.5, 7.1.0 through 7.1.7, 7.0.0 through 7.0.3 and before 6.7.9 allows an unauthenticated attacker to execute unauthorized code or commands via crafted CLI requests.	An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSIEM 7.3.0 through 7.3.1, FortiSIEM 7.2.0 through 7.2.5, FortiSIEM 7.1.0 through 7.1.7, FortiSIEM 7.0.0 through 7.0.3, FortiSIEM 6.7.0 through 6.7.9, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions, FortiSIEM 6.3 all versions, FortiSIEM 6.2 all versions, FortiSIEM 6.1 all versions, FortiSIEM 5.4 all versions, FortiSIEM 5.3 all versions, FortiSIEM 5.2 all versions, FortiSIEM 5.1 all versions, FortiSIEM 5.0 all versions, FortiSIEM 4.10 all versions, FortiSIEM 4.9 all versions, FortiSIEM 4.7 all versions allows an unauthenticated attacker to execute unauthorized code or commands via crafted CLI requests.
CPEs		cpe:2.3:a:fortinet:fortisiem:4.10.0:::::::* cpe:2.3:a:fortinet:fortisiem:4.7.2:::::::* cpe:2.3:a:fortinet:fortisiem:4.9.0:::::::* cpe:2.3:a:fortinet:fortisiem:5.0.0:::::::* cpe:2.3:a:fortinet:fortisiem:5.0.1:::::::* cpe:2.3:a:fortinet:fortisiem:5.1.0:::::::* cpe:2.3:a:fortinet:fortisiem:5.1.1:::::::* cpe:2.3:a:fortinet:fortisiem:5.1.2:::::::* cpe:2.3:a:fortinet:fortisiem:5.1.3:::::::* cpe:2.3:a:fortinet:fortisiem:5.2.1:::::::* cpe:2.3:a:fortinet:fortisiem:5.2.2:::::::* cpe:2.3:a:fortinet:fortisiem:5.2.5:::::::* cpe:2.3:a:fortinet:fortisiem:5.2.6:::::::* cpe:2.3:a:fortinet:fortisiem:5.2.7:::::::* cpe:2.3:a:fortinet:fortisiem:5.2.8:::::::* cpe:2.3:a:fortinet:fortisiem:5.3.0:::::::* cpe:2.3:a:fortinet:fortisiem:5.3.1:::::::* cpe:2.3:a:fortinet:fortisiem:5.3.2:::::::* cpe:2.3:a:fortinet:fortisiem:5.3.3:::::::* cpe:2.3:a:fortinet:fortisiem:5.4.0:::::::* cpe:2.3:a:fortinet:fortisiem:6.1.0:::::::* cpe:2.3:a:fortinet:fortisiem:6.1.1:::::::* cpe:2.3:a:fortinet:fortisiem:6.1.2:::::::* cpe:2.3:a:fortinet:fortisiem:6.2.0:::::::* cpe:2.3:a:fortinet:fortisiem:6.2.1:::::::* cpe:2.3:a:fortinet:fortisiem:6.3.0:::::::* cpe:2.3:a:fortinet:fortisiem:6.3.1:::::::* cpe:2.3:a:fortinet:fortisiem:6.3.2:::::::* cpe:2.3:a:fortinet:fortisiem:6.3.3:::::::* cpe:2.3:a:fortinet:fortisiem:6.4.0:::::::* cpe:2.3:a:fortinet:fortisiem:6.4.1:::::::* cpe:2.3:a:fortinet:fortisiem:6.4.2:::::::* cpe:2.3:a:fortinet:fortisiem:6.4.3:::::::* cpe:2.3:a:fortinet:fortisiem:6.4.4:::::::* cpe:2.3:a:fortinet:fortisiem:6.5.0:::::::* cpe:2.3:a:fortinet:fortisiem:6.5.1:::::::* cpe:2.3:a:fortinet:fortisiem:6.5.2:::::::* cpe:2.3:a:fortinet:fortisiem:6.5.3:::::::* cpe:2.3:a:fortinet:fortisiem:6.6.0:::::::* cpe:2.3:a:fortinet:fortisiem:6.6.1:::::::* cpe:2.3:a:fortinet:fortisiem:6.6.2:::::::* cpe:2.3:a:fortinet:fortisiem:6.6.3:::::::* cpe:2.3:a:fortinet:fortisiem:6.6.4:::::::* cpe:2.3:a:fortinet:fortisiem:6.6.5:::::::* cpe:2.3:a:fortinet:fortisiem:6.7.0:::::::* cpe:2.3:a:fortinet:fortisiem:6.7.1:::::::* cpe:2.3:a:fortinet:fortisiem:6.7.2:::::::* cpe:2.3:a:fortinet:fortisiem:6.7.3:::::::* cpe:2.3:a:fortinet:fortisiem:6.7.4:::::::* cpe:2.3:a:fortinet:fortisiem:6.7.5:::::::* cpe:2.3:a:fortinet:fortisiem:6.7.6:::::::* cpe:2.3:a:fortinet:fortisiem:6.7.7:::::::* cpe:2.3:a:fortinet:fortisiem:6.7.8:::::::* cpe:2.3:a:fortinet:fortisiem:6.7.9:::::::* cpe:2.3:a:fortinet:fortisiem:7.0.0:::::::* cpe:2.3:a:fortinet:fortisiem:7.0.1:::::::* cpe:2.3:a:fortinet:fortisiem:7.0.2:::::::* cpe:2.3:a:fortinet:fortisiem:7.0.3:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.0:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.1:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.2:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.3:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.4:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.5:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.6:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.7:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.0:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.1:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.2:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.3:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.4:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.5:::::::* cpe:2.3:a:fortinet:fortisiem:7.3.0:::::::* cpe:2.3:a:fortinet:fortisiem:7.3.1:::::::*
Metrics	cvssV3_1 `{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:X/RC:C'}`	cvssV3_1 `{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C'}`

Fri, 15 Aug 2025 18:15:00 +0000

Type	Values Removed	Values Added
References		https://github.com/watchtowrlabs/watchTowr-vs-FortiSIEM-CVE-2025-25256 https://labs.watchtowr.com/should-security-solutions-be-secure-maybe-were-all-wrong-fortinet-fortisiem-pre-auth-command-injection-cve-2025-25256/
Metrics	ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`	ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Wed, 13 Aug 2025 20:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Fortinet Fortinet fortisiem
CPEs		cpe:2.3:a:fortinet:fortisiem::::::::
Vendors & Products		Fortinet Fortinet fortisiem
References		https://www.theregister.com/2025/08/13/fortinet_discloses_critical_bug/

Wed, 13 Aug 2025 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 12 Aug 2025 19:15:00 +0000

Type	Values Removed	Values Added
Description		An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiSIEM version 7.3.0 through 7.3.1, 7.2.0 through 7.2.5, 7.1.0 through 7.1.7, 7.0.0 through 7.0.3 and before 6.7.9 allows an unauthenticated attacker to execute unauthorized code or commands via crafted CLI requests.
Weaknesses		CWE-78
References		https://fortiguard.fortinet.com/psirt/FG-IR-25-152
Metrics		cvssV3_1 `{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:X/RC:C'}`

Subscriptions

Fortinet Fortisiem

MITRE

Status: PUBLISHED

Assigner: fortinet

Published: 2025-08-12T18:59:14.863Z

Updated: 2026-08-18T21:09:45.787Z

Reserved: 2025-02-05T13:31:18.867Z

Link: CVE-2025-25256

Vulnrichment

Updated: 2025-08-13T20:12:32.941Z

NVD

Status : Modified

Published: 2025-08-12T19:15:28.683

Modified: 2026-08-18T21:16:32.450

Link: CVE-2025-25256

Redhat

No data.

OpenCVE Enrichment

Updated: 2025-08-13T21:47:08Z

Weaknesses

CWE-78

Tracking

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Exploitation poc

Automatable yes

Technical Impact total

Subscriptions

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