CVE-2025-25256
Improper Neutralization of Special Elements used in an OS Command
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
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.
Official description from the CVE record, published by fortinet. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
CVSS 3.1 Critical 9.8
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
Attack vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: None
No account or privileges are needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | None | No account or privileges are needed. |
| User interaction | None | No action from any user is needed. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | High | Serious or total effect on the secrecy of data. |
| Integrity impact | High | Serious or total effect on the trustworthiness of data. |
| Availability impact | High | Serious or total effect on availability. |
CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.
EPSS
- Score
- 0.64959 (65.0% probability)
- Percentile
- 99.3%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA assessment as of Aug 16, 2025
- Exploitation
- Public proof of concept recorded by CISA
- Automatable
- yes
- Technical impact
- total
Weakness (CWE)
- CWE-78Improper Neutralization of Special Elements used in an OS Command
Affected products
Fortinet FortiSIEM
- affected: 7.3.0 up to 7.3.1
- affected: 7.2.0 up to 7.2.5
- affected: 7.1.0 up to 7.1.7
- affected: 7.0.0 up to 7.0.3
- affected: 6.7.0 up to 6.7.9
- affected: 6.6.0 up to 6.6.5
- affected: 6.5.0 up to 6.5.3
- affected: 6.4.0 up to 6.4.4
- affected: 6.3.0 up to 6.3.3
- affected: 6.2.0 up to 6.2.1
- affected: 6.1.0 up to 6.1.2
- affected: 5.4.0
- affected: 5.3.0 up to 5.3.3
- affected: 5.2.5 up to 5.2.8
- affected: 5.2.1 up to 5.2.2
- affected: 5.1.0 up to 5.1.3
- affected: 5.0.0 up to 5.0.1
- affected: 4.10.0
- affected: 4.9.0
- affected: 4.7.2
References
Timeline
- ID reserved
- Record published
- Record last updated
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About CubePath
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:52 UTC. Sources and licenses