What is CVE-2025-27759?

CVE-2025-27759 is a medium-severity vulnerability in Fortinet Fortiweb, classified under OS Command Injection. CVSS score: 6.7/10. Published 2025-08-12.

How severe is CVE-2025-27759?

Medium severity. CVSS v3 base score is 6.7 out of 10.

RCE in Fortinet Fortiweb

CVE-2025-27759

An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiWeb version 7.6.0 through 7.6.3, 7.4.0 through 7.4.7, 7.2.0 through 7.2.10 and before 7.0.10 allows an authenticated privileged attacker to execute unauthorized code or commands via crafted CLI commands

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.004 (37.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fortinet Fortiweb — versions 7.6.0, 7.4.0, 7.2.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

psirt@fortinet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-27759?: CVE-2025-27759 is a medium-severity vulnerability in Fortinet Fortiweb, classified under OS Command Injection. CVSS score: 6.7/10. Published 2025-08-12.
How severe is CVE-2025-27759?: Medium severity. CVSS v3 base score is 6.7 out of 10.