FortiMail 6.4.0 Excessive Auth Attempts (CWE-307) CPU/Mem Exhaustion
CVE-2022-29056 Published on March 9, 2023
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.
Vulnerability Analysis
CVE-2022-29056 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
Improper Restriction of Excessive Authentication Attempts
The software does not implement sufficient measures to prevent multiple failed authentication attempts within in a short time frame, making it more susceptible to brute force attacks.
Products Associated with CVE-2022-29056
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Affected Versions
Fortinet FortiMail:- Version 6.4.0 is affected.
- Version 6.2.1, <= 6.2.4 is affected.
- Version 6.0.0, <= 6.0.9 is affected.
- Version 5.4.0, <= 5.4.12 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.