SB2021092406 - Remote denial of service in SonicWall SMA 100 Series
Published: September 24, 2021
Security Bulletin ID
SB2021092406
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2021-20034)
The vulnerability allows a remote attacker to delete arbitrary files on the system.
The vulnerability exists due to improper access restrictions in SMA 100 management interface. A remote non-authenticated attacker can bypass implemented path traversal checks and delete an arbitrary file on the system, potentially resulting in a reboot to factory default settings.
Remediation
Install update from vendor's website.