CVE-2021-36166

Description

An improper authentication vulnerability in FortiMail before 7.0.1 may allow a remote attacker to efficiently guess one administrative account's authentication token by means of the observation of certain system's properties.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.47%
Vendor Advisory fortiguard.com
Affected: Fortinet Fortinet FortiMail
Published at:
Updated at:

References

Link Tags
https://fortiguard.com/psirt/FG-IR-21-028 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-36166?
CVE-2021-36166 has been scored as a critical severity vulnerability.
How to fix CVE-2021-36166?
To fix CVE-2021-36166, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-36166 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-36166 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-36166?
CVE-2021-36166 affects Fortinet Fortinet FortiMail.
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