#VU56851 OS Command Injection in SMA 100 - CVE-2021-20035 

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Main Vulnerability Database Vulnerabilities #VU56851

#VU56851 OS Command Injection in SMA 100 - CVE-2021-20035

Published: September 24, 2021 / Updated: April 16, 2025


Vulnerability identifier: #VU56851
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2021-20035
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
SMA 100
Software vendor:
SonicWall

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation in the SMA100 management interface. A remote user can send a specially crafted request to the application and execute arbitrary OS commands on the target system as a 'nobody' user.

Successful exploitation of the vulnerability may lead to denial of service.


Remediation

Install updates from vendor's website.

External links