CVE-2021-20037

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

SonicWall Global VPN Client 4.10.5 installer (32-bit and 64-bit) incorrect default file permission vulnerability leads to privilege escalation which potentially allows command execution in the host operating system. This vulnerability impacts GVC 4.10.5 installer and earlier.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-276

Affected software

Vendor	Product	Versions
SonicWall	SonicWall Global VPN Client	Global VPN Client 4.10.5 and earlier

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0024Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0024Vendor Advisory

Timeline

Published: Sep 21, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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