Untrusted search path in SonicWall Global VPN client - CVE-2021-20051
Published: April 28, 2022
Vulnerability identifier: #VU62671
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-2021-20051
CWE-ID: CWE-426
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 untrusted search path when loading .dll files in the installer component. An attacker can place a malicious .dll file into a folder along with SonicWall Global VPN Client installer and execute it with elevated privileges.
Affected software
SonicWall Global VPN client
How to mitigate CVE-2021-20051
Install updates from vendor's website.
SonicWall Global VPN client - update to 4.10.7.1424