CVE-2023-45586mediumCWE-345

CVE-2023-45586: medium-severity vulnerability in Fortinet FortiOS

Published · Updated

Follow this CVE+ Monitor FortiOS+ Monitor FortiProxy

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.7epss 0.3%
An insufficient verification of data authenticity vulnerability [CWE-345] in Fortinet FortiOS SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.12 & FortiProxy SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.13 allows an authenticated VPN user to send (but not receive) packets spoofing the IP of another user via crafted network packets.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N/E:P/RL:X/RC:C
Affected products
Fortinet · FortiOSFortinet · FortiProxy
Related CVEs — Fortinet FortiOS

In the same product, most dangerous first.

CVE-2022-42475CRITICALCVE-2022-42475EPSS 99.5%KEVCVE-2024-55591CRITICALCVE-2024-55591EPSS 94.3%KEVCVE-2026-24858CRITICALCVE-2026-24858EPSS 86.6%KEVCVE-2023-27997CRITICALCVE-2023-27997EPSS 85.7%KEVCVE-2024-21762CRITICALCVE-2024-21762EPSS 84.6%KEVCVE-2025-59718CRITICALCVE-2025-59718EPSS 68.3%KEV