What’s Vulnerable › Vulnerabilities

CVE-2021-20020

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-10 · updated 2026-06-17
• Weakness: CWE-287

Description

A command execution vulnerability in SonicWall GMS 9.3 allows a remote unauthenticated attacker to locally escalate privilege to root.

Affected products

• SonicWall Global Management System (GMS): 9.3

References

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0009
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0009

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