SB2021120808 - Privilege escalation in SonicWall Global VPN client
Published: December 8, 2021 Updated: April 28, 2022
Security Bulletin ID
SB2021120808
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Unquoted search path or element (CVE-ID: CVE-2021-20047)
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.
Remediation
Install update from vendor's website.