CVE-2025-53679
CVE-2025-53679 is a high-severity vulnerability in Fortinet Fortisandbox with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- EPSS exploit prediction: 12% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-202268
- Weakness: CWE-78
- Affected product: Fortinet Fortisandbox
- Published:
- Last modified:
Description
An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions, FortiSandbox Cloud 24.1, FortiSandbox Cloud 23 all versions allows a remote privileged attacker to execute unauthorized code or commands via crafted HTTP or HTTPS requests.
Frequently asked questions
- What is CVE-2025-53679?
- An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions, FortiSandbox Cloud 24.1, FortiSandbox Cloud 23 all versions allows a remote privileged attacker to execute unauthorized code or commands via crafted HTTP or HTTPS requests.
- How severe is CVE-2025-53679?
- CVE-2025-53679 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-53679 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-53679?
- CVE-2025-53679 primarily affects Fortinet Fortisandbox. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-53679?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-53679 have an EU (EUVD) identifier?
- Yes. CVE-2025-53679 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202268.
- When was CVE-2025-53679 published?
- CVE-2025-53679 was published on 2025-12-09 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortisandbox_cloud:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortisandbox_cloud:24.1.4436:*:*:*:*:*:*:*
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