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Vulnerability record · CVE-2021-32586 · published 1 March 2022

CVE-2021-32586: Fortinet fortimail improper input validation vulnerability

Fortinet · Fortimail

An improper input validation vulnerability in the web server CGI facilities of FortiMail before 7.0.1 may allow an unauthenticated attacker to alter the environment of the underlying script interpreter via specifically crafted HTTP requests.

9.8 CVSS 3.1 Critical EPSS 1.1% · top 37.0% CWE-20 · Improper input validation
9.8CVSS 3.1 base score, v2 7.5
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An improper input validation vulnerability in the web server CGI facilities of FortiMail before 7.0.1 may allow an unauthenticated attacker to alter the environment of the underlying script interpreter via specifically crafted HTTP requests.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://fortiguard.com/psirt/FG-IR-21-008 Vendor Advisory
https://fortiguard.com/psirt/FG-IR-21-008 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-32586), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.