CVE-2022-29056

Name: CVE-2022-29056
Creator: NVD / NIST
Published: 2023-03-09T15:15:09.02+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.81%

Last modified Jun 17, 2026

CVE-2022-29056 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiMail version 6.4.0, version 6.2.0 through 6.2.4 and before 6.0.9 allows a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.. EPSS estimates a 1.81% chance of exploitation in the next 30 days.

Description

A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiMail version 6.4.0, version 6.2.0 through 6.2.4 and before 6.0.9 allows a remote unauthenticated attacker to partially exhaust CPU and memory via sending numerous HTTP requests to the login form.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.81%

75.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Fortinet	Fortimail	>= 6.0.0, < 6.0.10
Fortinet	Fortimail	>= 6.2.1, < 6.2.5
Fortinet	Fortimail	6.4.0

References

https://fortiguard.com/psirt/FG-IR-20-078Vendor Advisory
https://fortiguard.com/psirt/FG-IR-20-078Vendor Advisory

Timeline

Published: Mar 9, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-29056?

How severe is CVE-2022-29056?

CVE-2022-29056 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.

How do I fix CVE-2022-29056?

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-2022-29056?

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

Scan your code now

Source: NVD / NIST