CVE-2021-3064

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A memory corruption vulnerability exists in Palo Alto Networks GlobalProtect portal and gateway interfaces that enables an unauthenticated network-based attacker to disrupt system processes and potentially execute arbitrary code with root privileges. The attacker must have network access to the GlobalProtect interface to exploit this issue. This issue impacts PAN-OS 8.1 versions earlier than PAN-OS 8.1.17. Prisma Access customers are not impacted by this issue.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-121 CWE-787

Affected software

Vendor	Product	Versions
Palo Alto Networks	PAN-OS	>= 8.1, < 8.1.17
Palo Alto Networks	Prisma Access	—

References

https://security.paloaltonetworks.com/CVE-2021-3064Vendor Advisory
https://security.paloaltonetworks.com/CVE-2021-3064Vendor Advisory

Timeline

Published: Nov 10, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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