CVE-2021-20039 Information

Description

Improper neutralization of special elements in the SMA100 management interface ‘/cgi-bin/viewcert’ POST http method allows a remote authenticated attacker to inject arbitrary commands as a ’nobody’ user. This vulnerability affected SMA 200 210 400 410 and 500v appliances.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026 http://packetstormsecurity.com/files/165563/SonicWall-SMA-100-Series-Authenticated-Command-Injection.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8