Code execution in Palo Alto PAN-OS

Published: 2021-09-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3054
Exploitation vector Network
Public exploit N/A
Vulnerable software
Palo Alto PAN-OS
Operating systems & Components / Operating system

Vendor Palo Alto Networks, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Time-of-check Time-of-use (TOCTOU) Race Condition

EUVDB-ID: #VU56407

Risk: Low


CVE-ID: CVE-2021-3054

CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Exploit availability: No


The vulnerability allows a remote user to execute arbitrary code on the system.

The vulnerability exists due to a race condition in the Palo Alto Networks PAN-OS web interface during plugin installation. A remote authenticated administrator with permission to upload plugins can execute arbitrary code with root user privileges.


Install updates from vendor's website.

Vulnerable software versions

Palo Alto PAN-OS: 10.1.0 - 10.1.1, 10.0.0 - 10.0.6, 9.1 - 9.1.10, 9.0 - 9.0.13, 8.1 - 8.1.19

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?