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CVE-2021-36195

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-08 · updated 2026-06-17
• Weakness: CWE-78

Description

Multiple command injection vulnerabilities in the command line interpreter of FortiWeb versions 6.4.1, 6.4.0, 6.3.0 through 6.3.15, 6.2.0 through 6.2.6, and 6.1.0 through 6.1.2 may allow an authenticated attacker to execute arbitrary commands on the underlying system shell via specially crafted command arguments.

Affected products

• Fortinet FortiWeb: from 6.2.0 through 6.2.5; from 6.3.0 through 6.3.15; 6.1.0, 6.1.1, 6.1.2, 6.4.0, 6.4.1

References

• https://fortiguard.com/advisory/FG-IR-21-157
• https://fortiguard.com/advisory/FG-IR-21-157

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