Main Vulnerability Database Vulnerabilities #VU89599

Insufficient verification of data authenticity in FortiProxy and FortiOS - CVE-2023-45586

Published: May 16, 2024

Vulnerability identifier: #VU89599

CSH Severity: Low

CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-45586

CWE-ID: CWE-345

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform spoofing attack.

The vulnerability exists due to insufficient verification of data authenticity in the SSL-VPN tunnel mode. A remote authenticated user can send specially crafted packets with a spoofed IP address.

Affected software

FortiProxy
FortiOS

How to mitigate CVE-2023-45586

Install updates from vendor's website.

FortiProxy - addressed in versions 7.0.14, 7.2.8, 7.4.2
FortiOS - addressed in versions 7.0.13, 7.2.8, 7.4.2

External References

https://fortiguard.com/psirt/FG-IR-23-225

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