CVE-2021-36166
Last modified
CVE-2021-36166 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.41% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortimail | <= 5.4.12 |
| Fortinet | Fortimail | >= 6.0.0, < 6.0.12 |
| Fortinet | Fortimail | >= 6.2.0, < 6.2.8 |
| Fortinet | Fortimail | >= 6.4.0, < 6.4.6 |
| Fortinet | Fortimail | 7.0.0 |
References
- https://fortiguard.com/psirt/FG-IR-21-028Vendor Advisory
- https://fortiguard.com/psirt/FG-IR-21-028Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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