CVE-2021-20037

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory sonicwall.com
Affected: SonicWall SonicWall Global VPN Client
Published at:
Updated at:

References

Link Tags
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0024 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-20037?
CVE-2021-20037 has been scored as a high severity vulnerability.
How to fix CVE-2021-20037?
To fix CVE-2021-20037, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20037 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20037 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20037?
CVE-2021-20037 affects SonicWall SonicWall Global VPN Client.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.