CVE-2021-20044: sonicwall sma_200_firmware OS Command Injection

Vulnerability summary

CVE-2021-20044 is a high (CVSS 9.0) OS Command Injection vulnerability in sonicwall sma_200_firmware. EPSS estimates a 40.07% chance of exploitation in the next 30 days, higher than 98.6% of scored vulnerabilities.

Timeline

1. 08-12-2021
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

Description

A post-authentication remote command injection vulnerability in SonicWall SMA100 allows a remote authenticated attacker to execute OS system commands in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.