Palo Alto Networks · Globalprotect · CVE-2021-3057
**Name of the Vulnerable Software and Affected Versions**
Palo Alto Networks GlobalProtect app versions earlier than 5.1.9 on Windows
Palo Alto Networks GlobalProtect app versions earlier than 5.2.8 on Windows
Palo Alto Networks GlobalProtect app versions earlier than 5.2.8 on the Universal Windows Platform
Palo Alto Networks GlobalProtect app versions earlier than 5.3.1 on Linux
**Description**
A stack-based buffer overflow issue exists in the GlobalProtect app, allowing a man-in-the-middle attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges.
**Recommendations**
For versions earlier than 5.1.9 on Windows, update to version 5.1.9 or later.
For versions earlier than 5.2.8 on Windows, update to version 5.2.8 or later.
For versions earlier than 5.2.8 on the Universal Windows Platform, update to version 5.2.8 or later.
For versions earlier than 5.3.1 on Linux, update to version 5.3.1 or later.