CVE-2021-3059 PAN-OS: OS Command Injection Vulnerability When Performing Dynamic Updates
🔗 CVE IDs covered (1)
📋 Description
An OS command injection vulnerability in the Palo Alto Networks PAN-OS management interface exists when performing dynamic updates. This vulnerability enables a man-in-the-middle attacker to execute arbitrary OS commands to escalate privileges.
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 are not impacted by this issue.
🎯 Affected products2
- PAN-OS
- Prisma Access
✅ Remediation
This issue is fixed in PAN-OS 8.1.20-h1, PAN-OS 9.0.14-h3, PAN-OS 9.1.11-h2, PAN-OS 10.0.8, PAN-OS 10.1.3, and all later PAN-OS versions. Workarounds and mitigations: Updating dynamic content from a local file will prevent exposure to this vulnerability until you are able to upgrade PAN-OS firewalls and Panorama to a fixed version. You can disable scheduled dynamic updates in the web interface. Push content updates from Panorama to the managed firewalls until you are able to upgrade PAN-OS to a fixed version. The process of upgrading dynamic content on managed devices is referenced here: https://docs.paloaltonetworks.com/pan-os/10-0/pan-os-web-interface-help/panorama-web-interface/panorama-managed-devices-summary/firewall-software-and-content-updates.html