CVE-2024-23108
CriticalExploitedPublic exploitAn improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet allows attacker to execute unauthorized code or commands via via crafted API requests.
Published Feb 8, 2024 · Updated May 19, 2026 · Also known as TR-24-0093
Key Facts
Patch immediately- CVE-2024-23108 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Fortisiem (Fortinet).
- It is exploited in the wild, listed in Industry KEV feed since Feb 25, 2025 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 80% probability of exploitation in the next 30 days.
- Fixed versions are available, including Fortisiem <=6.4.2, Fortisiem 6.4.2.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
80%
Higher than 99.6% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
An improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet allows attacker to execute unauthorized code or commands via via crafted API requests.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Feb 25, 2025 | n/a | Known |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
26 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| FortisiemFortinet | 6.4.0, 6.4.1, 6.4.2, 6.4.3, 6.5.0, 6.5.1, 6.5.2, 6.6.0 | 6.4.2 |
Patched Releases
Fortisiem
<=6.4.2
Timeline
Publicly disclosed
Feb 8, 2024
Added to Industry KEV feed
Feb 25, 2025
Last updated
May 19, 2026
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisoryhttps://fortiguard.com/psirt/FG-IR-23-130
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2024-23108
- advisoryUSOM advisory
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
An improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet allows attacker to execute unauthorized code or commands via via crafted API requests.
Affected: Fortisiem (Fortinet) versions 6.4.0, 6.4.1, 6.4.2, 6.4.3, 6.5.0, 6.5.1, 6.5.2, 6.6.0. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Feb 25, 2025 and is known to be used in ransomware campaigns.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Fortisiem <=6.4.2, Fortisiem 6.4.2.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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