Main Vulnerability Database Vulnerabilities #VU91783

Use of Password Hash With Insufficient Computational Effort in FortiProxy and FortiOS - CVE-2024-21754

Published: June 11, 2024

Vulnerability identifier: #VU91783

CSH Severity: Low

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-21754

CWE-ID: CWE-916

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to decrypt backup files.

The vulnerability exist due to usage of a weak key derivation for backup file. A local user with super-admin profile and CLI access can decrypting the backup file.

Affected software

FortiProxy
FortiOS

How to mitigate CVE-2024-21754

Install updates from vendor's website.

FortiProxy - update to 7.4.3
FortiOS - update to 7.4.4

External References

https://fortiguard.fortinet.com/psirt/FG-IR-23-423

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