CVE-2024-21754

Severity: medium (CVSS 4.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-11 · updated 2026-06-17
Weakness: CWE-916

Description

A use of password hash with insufficient computational effort vulnerability [CWE-916] affecting FortiOS version 7.4.3 and below, 7.2 all versions, 7.0 all versions, 6.4 all versions and FortiProxy version 7.4.2 and below, 7.2 all versions, 7.0 all versions, 2.0 all versions may allow a privileged attacker with super-admin profile and CLI access to decrypting the backup file.

Affected products

Fortinet FortiOS (FortiGate): from 6.4.0 through 6.4.15; from 7.0.0 through 7.0.15; from 7.2.0 before 7.2.9; from 7.4.0 before 7.4.4 — fixed in 7.2.9, 7.4.4
Fortinet FortiProxy: from 2.0.0 through 2.0.14; from 7.0.0 through 7.0.18; from 7.2.0 through 7.2.11; from 7.4.0 before 7.4.3 — fixed in 7.4.3

How to fix

Upgrade to a fixed version: Fortinet FortiOS (FortiGate) 7.2.9, 7.4.4; Fortinet FortiProxy 7.4.3. Check the vendor advisory for mitigations.

References

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