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CVE-2021-32586

CRITICALCVSS 9.8/10EPSS 1.01%

Last modified

CVE-2021-32586 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
1.01%

58.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FortinetFortimail<= 5.4.12
FortinetFortimail>= 6.0.0, < 6.0.12
FortinetFortimail>= 6.2.0, < 6.2.8
FortinetFortimail>= 6.4.0, < 6.4.6
FortinetFortimail7.0.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-32586?
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.
How severe is CVE-2021-32586?
CVE-2021-32586 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.
How do I fix CVE-2021-32586?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32586?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST