CVE-2021-26091
CVSS 3.1 Score 7.5 of 10 (high)
Details
Published Mar 24, 2025
Updated: Mar 27, 2025
CWE ID 338
Summary
CVE-2021-26091 is a vulnerability affecting FortiMail versions 6.2.0 through 6.4.4, and 6.4.0 through 6.4.4. An unauthenticated attacker can exploit this weakness in FortiMail's Identity Based Encryption service authenticator by utilizing a cryptographically weak pseudo-random number generator. This allows the attacker to infer portions of users' authentication tokens and ultimately reset their credentials.
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