What’s Vulnerable › Vulnerabilities

CVE-2021-20037

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-21 · updated 2026-06-17
• Weakness: CWE-276

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.

Affected products

• SonicWall Global VPN Client: through 4.10.5

References

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

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