What is CVE-2021-20026?

CVE-2021-20026 is a high-severity vulnerability in SonicWall Network Security Manager, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-05-27.

How severe is CVE-2021-20026?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in SonicWall Network Security Manager

CVE-2021-20026

A vulnerability in the SonicWall NSM On-Prem product allows an authenticated attacker to perform OS command injection using a crafted HTTP request. This vulnerability affects NSM On-Prem 2.2.0-R10 and earlier versions.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.116 (95.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Sonicwall Network_security_manager — versions 2.2.0
Sonicwall Nsm On-prem — versions NSM On-Prem 2.2.0-R10 and earlier

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

PSIRT@sonicwall.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-20026?: CVE-2021-20026 is a high-severity vulnerability in SonicWall Network Security Manager, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-05-27.
How severe is CVE-2021-20026?: High severity. CVSS v3 base score is 8.8 out of 10.