CVE-2021-20020

9.8 criticalEPSS 3.9%

Critical (9.8) in sonicwall global management system. EPSS 3.9% chance of exploitation in the next 30 days.

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

Severity

9.8 critical

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

EPSS: 3.9% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2021-04-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19