CVE-2021-3060: Palo Alto Networks PAN-OS

High severity, CVSS 8.1. EPSS: 32.5% chance of exploitation in the next 30 days.

An OS command injection vulnerability in the Simple Certificate Enrollment Protocol (SCEP) feature of PAN-OS software allows an unauthenticated network-based attacker with specific knowledge of the firewall configuration to execute arbitrary code with root user privileges. The attacker must have network access to the GlobalProtect interfaces to exploit this issue. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20-h1; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14-h3; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11-h2; PAN-OS 10.0 versions earlier than PAN-OS 10.0.8; PAN-OS 10.1 versions earlier than PAN-OS 10.1.3. Prisma Access customers with Prisma Access 2.1 Preferred and Prisma Access 2.1 Innovation firewalls are impacted by this issue.

Affected products

• Palo Alto Networks PAN-OS: from 8.1.0, up to and including 8.1.20; from 9.0.0, up to and including 9.0.14; from 9.1.0, up to and including 9.1.11; from 10.0.0, before 10.0.8 (fixed in 10.0.8); from 10.1.0, before 10.1.3 (fixed in 10.1.3)
• Palo Alto Networks Prisma Access: version 2.1 only

Published 2021-11-10. Last modified 2026-06-17.