Uncaught exception in GlobalProtect Agent - CVE-2021-3038
Published: April 14, 2021
Vulnerability identifier: #VU52224
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-3038
CWE-ID: CWE-248
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Palo Alto Networks, Inc.
Affected software:
GlobalProtect Agent
GlobalProtect Agent
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to uncaught exception in Windows VPN kernel driver. A local user can pass specifically-crafted input to the GlobalProtect app that results in a Windows blue screen of death (BSOD) error.
How to mitigate CVE-2021-3038
Install updates from vendor's website.