DLL Search Order Hijacking in SonicWall Global VPN Client Installer
CVE-2021-20051

7.8HIGH

Key Information:

Vendor

Sonicwall
Status
Sonicwall Global Vpn Client
Vendor
CVE Published:
4 May 2022

What is CVE-2021-20051?

The SonicWall Global VPN Client installer, specifically version 4.10.7.1117 and earlier, presents a vulnerability due to improper handling of DLL search order. This flaw allows local attackers to execute arbitrary commands on the system by exploiting the installer component. If successful, the attacker can gain control and potentially compromise the system's security, emphasizing the importance of prompt updates and mitigations for affected users.

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Affected Version(s)

SonicWall Global VPN Client Global VPN Client 4.10.7.1117 and earlier versions

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-202...
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CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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