#VU53632 OS Command Injection in SonicWall NSM On-Prem - CVE-2021-20026

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Main Vulnerability Database Vulnerabilities #VU53632

#VU53632 OS Command Injection in SonicWall NSM On-Prem - CVE-2021-20026

Published: May 27, 2021


Vulnerability identifier: #VU53632
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-20026
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
SonicWall NSM On-Prem
Software vendor:
SonicWall

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when processing HTTP requests. A remote authenticated user can pass specially crafted HTTP request to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links