What’s Vulnerable › Vulnerabilities
CVE-2021-36191
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% 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-601
Description
A url redirection to untrusted site ('open redirect') in Fortinet FortiWeb version 6.4.1 and below, 6.3.15 and below allows attacker to use the device as proxy via crafted GET parameters in requests to error handlers
Affected products
- Fortinet FortiWeb: from 6.0.0 through 6.0.7; from 6.2.0 through 6.2.6; from 6.3.0 through 6.3.15; 6.1.0, 6.1.1, 6.1.2, 6.4.0, 6.4.1
References
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