7.5
CVSSv2

CVE-2021-24020

Published: 09/07/2021 Updated: 12/07/2022
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

A missing cryptographic step in the implementation of the hash digest algorithm in FortiMail 6.4.0 up to and including 6.4.4, and 6.2.0 up to and including 6.2.7 may allow an unauthenticated malicious user to tamper with signed URLs by appending further data which allows bypass of signature verification.

Vulnerability Trend

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