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CVE-2021-24020

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CVE-2021-24020

Published: Jul 9, 2021

Modified: Oct 25, 2024

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

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.

VendorProductVersions

Fortinet

Fortinet FortiMail

affected
FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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