What is CVE-2021-20020?

CVE-2021-20020 is a critical-severity vulnerability in Sonicwall Global_management_system, classified under Improper Authentication. CVSS score: 9.8/10. Published 2021-04-10.

How severe is CVE-2021-20020?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Sonicwall Global_management_system

CVE-2021-20020

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

Vulnerability class: Broken Authentication

EPSS: 0.037 (88.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Sonicwall Global_management_system — versions 9.3
Sonicwall Global Management System (Gms) — versions 9.3 and earlier

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

PSIRT@sonicwall.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-20020?: CVE-2021-20020 is a critical-severity vulnerability in Sonicwall Global_management_system, classified under Improper Authentication. CVSS score: 9.8/10. Published 2021-04-10.
How severe is CVE-2021-20020?: Critical severity. CVSS v3 base score is 9.8 out of 10.