Memory corruption in Palo Alto PAN-OS - CVE-2021-3064
Published: November 11, 2021 / Updated: June 22, 2023
Vulnerability identifier: #VU58105
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Red
CVE-ID: CVE-2021-3064
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Palo Alto Networks, Inc.
Affected software:
Palo Alto PAN-OS
Palo Alto PAN-OS
Detailed vulnerability description
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.
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.
How to mitigate CVE-2021-3064
Install updates from vendor's website.