What’s Vulnerable › Vulnerabilities

CVE-2022-27489

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-16 · updated 2026-06-17
• Weakness: CWE-78

Description

A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiExtender 7.0.0 through 7.0.3, 5.3.2, 4.2.4 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests.

Affected products

• Fortinet FortiExtender: from 3.2.1 before 3.2.4; from 3.3.0 before 3.3.3; from 4.1.1 before 4.1.9; from 4.2.0 before 4.2.5; from 7.0.0 before 7.0.4; 3.0.0, 3.0.1, 3.0.2, 3.1.0, 3.1.1, 5.3.2 — fixed in 3.2.4, 3.3.3, 4.1.9, 4.2.5, 7.0.4

How to fix

Upgrade to a fixed version: Fortinet FortiExtender 3.2.4, 3.3.3, 4.1.9, 4.2.5. Check the vendor advisory for mitigations.

References

• https://fortiguard.com/psirt/FG-IR-22-048
• https://fortiguard.com/psirt/FG-IR-22-048

Get alerted when CVE-2022-27489 or the next vulnerability affects your stack