Remote code execution in PAN-OS GlobalProtect Portal and Gateway interfaces

Published: 2021-11-11 | Updated: 2021-11-11
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-3064
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 critical risk vulnerability.

1) Memory corruption

EUVDB-ID: #VU58105

Risk: Critical


CVE-ID: CVE-2021-3064

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No


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

The vulnerability exists due to a boundary error in the PAN-OS firewall configurations with a GlobalProtect portal or gateway enabled. A remote non-authenticated attacker can send a specially crafted request to the system, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Install updates from vendor's website.

Vulnerable software versions

Palo Alto PAN-OS: 8.1 - 8.1.16

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?