Stack-based buffer overflow in GlobalProtect Agent - CVE-2021-3057
Published: October 13, 2021
Vulnerability identifier: #VU57345
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-3057
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote unauthenticated attacker with ability to perform MitM attack can trigger stack-based buffer overflow and execute arbitrary code with SYSTEM privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
GlobalProtect Agent
How to mitigate CVE-2021-3057
Install updates from vendor's website.
GlobalProtect Agent - addressed in versions 5.1.9, 5.2.8, 5.3.1