CVE-2024-5918: Palo Alto Networks PAN-OS

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

An improper certificate validation vulnerability in Palo Alto Networks PAN-OS software enables an authorized user with a specially crafted client certificate to connect to an impacted GlobalProtect portal or GlobalProtect gateway as a different legitimate user. This attack is possible only if you "Allow Authentication with User Credentials OR Client Certificate."

Affected products

• Palo Alto Networks PAN-OS: from 10.1.0, before 10.1.11 (fixed in 10.1.11); from 10.2.0, up to and including 10.2.4; from 11.0.0, before 11.0.3 (fixed in 11.0.3); version 10.2.4 only

Published 2024-11-14. Last modified 2026-06-17.