CVE-2021-20039

high

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.

References

https://www.tenable.com/blog/sonicwall-urges-users-to-patch-several-vulnerabilities-in-secure-mobile-access-products-cve

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026

http://packetstormsecurity.com/files/165563/SonicWall-SMA-100-Series-Authenticated-Command-Injection.html

Details

Source: Mitre, NVD

Published: 2021-12-08

Updated: 2022-04-01

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.53655