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Vulnerability DatabaseCVE-2021-24020

CVE-2021-24020: 
Fortimail vulnerability analysis and mitigation

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

Source: NVD

Related Fortimail vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-32756CRITICAL9.8
  • FortimailFortimail
  • cpe:2.3:a:fortinet:fortimail
YesYesMay 13, 2025
CVE-2023-33302HIGH8.8
  • FortimailFortimail
  • cpe:2.3:a:fortinet:fortimail
NoYesMar 31, 2025
CVE-2024-40588MEDIUM4.4
  • FortimailFortimail
  • cpe:2.3:a:fortinet:fortimail
NoYesAug 12, 2025
CVE-2025-54972MEDIUM4.3
  • FortimailFortimail
  • cpe:2.3:a:fortinet:fortimail
NoYesNov 18, 2025
CVE-2024-47569MEDIUM4.3
  • FortiOSFortiOS
  • cpe:2.3:a:fortinet:fortiproxy
NoYesOct 14, 2025

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