Palo Alto Networks · Pan-Os · CVE-2021-3061
**Name of the Vulnerable Software and Affected Versions**
PAN-OS versions earlier than 8.1.20-h1
PAN-OS versions earlier than 9.0.14-h3
PAN-OS versions earlier than 9.1.11-h2
PAN-OS versions earlier than 10.0.8
PAN-OS versions earlier than 10.1.3
Prisma Access 2.1 firewalls
**Description**
An OS command injection vulnerability in the Palo Alto Networks PAN-OS command line interface (CLI) enables an authenticated administrator with access to the CLI to execute arbitrary OS commands to escalate privileges.
**Recommendations**
For PAN-OS 8.1 versions earlier than 8.1.20-h1, update to PAN-OS 8.1.20-h1 or later.
For PAN-OS 9.0 versions earlier than 9.0.14-h3, update to PAN-OS 9.0.14-h3 or later.
For PAN-OS 9.1 versions earlier than 9.1.11-h2, update to PAN-OS 9.1.11-h2 or later.
For PAN-OS 10.0 versions earlier than 10.0.8, update to PAN-OS 10.0.8 or later.
For PAN-OS 10.1 versions earlier than 10.1.3, update to PAN-OS 10.1.3 or later.
As a temporary workaround for Prisma Access 2.1 firewalls, consider restricting access to the CLI until a patch is available.