SB2021092405 - Denial of service in SonicWall SMA 100 Series



SB2021092405 - Denial of service in SonicWall SMA 100 Series

Published: September 24, 2021

Security Bulletin ID SB2021092405
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) OS Command Injection (CVE-ID: CVE-2021-20035)

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 update from vendor's website.