Unquoted search path or element in SonicWall Global VPN client - CVE-2021-20047
Published: December 8, 2021 / Updated: April 28, 2022
Vulnerability identifier: #VU58669
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-20047
CWE-ID: CWE-428
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insecure way of searching and loading DLL libraries. A local user can place a specially crafted DLL library onto the system and execute arbitrary code with elevated privileges.
Affected software
SonicWall Global VPN client
How to mitigate CVE-2021-20047
Install updates from vendor's website.
SonicWall Global VPN client - update to 4.10.7.1117