RCE in Fortinet Fortisandbox
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.122 (96.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.123 · newest: 0.122 · change: -0.001
Affected products
- Fortinet Fortisandbox — versions 5.0.0, 4.4.0, 4.2.1
- Fortinet Fortisandbox Cloud — versions 24.1, 23.4
- Fortinet Fortisandbox Cloud — versions 24.1.4436
Weakness classification (CWE)
References
- fortiguard.fortinet.com/psirt/FG-IR-25-454 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-53679?
- CVE-2025-53679 is a high-severity vulnerability in Fortinet Fortisandbox, classified under OS Command Injection. CVSS score: 7.2/10. Published 2025-12-09.
- How severe is CVE-2025-53679?
- High severity. CVSS v3 base score is 7.2 out of 10.