CVE-2021-3059

PAN-OS: OS Command Injection Vulnerability When Performing Dynamic Updates

Published Nov 10, 2021 CVSS 3.1 · 8.1 High EPSS 1.5% KEV · Not listed
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 that have Prisma Access 2.1 Preferred or Prisma Access 2.1 Innovation firewalls are impacted by this issue.

Remediation

Vendor Solution

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.


Vendor Workaround

You can disable scheduled dynamic updates for the firewall at 'Device Deployment > Dynamic Updates' in the web interface. Choosing not to receive dynamic updates will minimize your exposure to this vulnerability until you upgrade the PAN-OS firewall to a fixed version.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-26411 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 that have Prisma Access 2.1 Preferred or Prisma Access 2.1 Innovation firewalls are impacted by this issue.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
palo_alto
Published
Updated
Sep 16, 2024, 5:03 PM
Reserved
Jan 6, 2021, 12:00 AM
Status
Modified
Published
Nov 10, 2021, 5:15 PM
Modified
Jun 17, 2026, 4:04 AM