9

CVE-2021-20039

Warnung
Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Sonicwall ≫ Sma 200 Firmware Version 9.0.0.11-31sv
   Sonicwall ≫ Sma 200 Version -
Sonicwall ≫ Sma 200 Firmware Version 10.2.0.8-37sv
   Sonicwall ≫ Sma 200 Version -
Sonicwall ≫ Sma 200 Firmware Version 10.2.1.1-19sv
   Sonicwall ≫ Sma 200 Version -
Sonicwall ≫ Sma 210 Firmware Version 9.0.0.11-31sv
   Sonicwall ≫ Sma 210 Version -
Sonicwall ≫ Sma 210 Firmware Version 10.2.0.8-37sv
   Sonicwall ≫ Sma 210 Version -
Sonicwall ≫ Sma 210 Firmware Version 10.2.1.1-19sv
   Sonicwall ≫ Sma 210 Version -
Sonicwall ≫ Sma 410 Firmware Version 9.0.0.11-31sv
   Sonicwall ≫ Sma 410 Version -
Sonicwall ≫ Sma 410 Firmware Version 10.2.0.8-37sv
   Sonicwall ≫ Sma 410 Version -
Sonicwall ≫ Sma 410 Firmware Version 10.2.1.1-19sv
   Sonicwall ≫ Sma 410 Version -
Sonicwall ≫ Sma 400 Firmware Version 9.0.0.11-31sv
   Sonicwall ≫ Sma 400 Version -
Sonicwall ≫ Sma 400 Firmware Version 10.2.0.8-37sv
   Sonicwall ≫ Sma 400 Version -
Sonicwall ≫ Sma 400 Firmware Version 10.2.1.1-19sv
   Sonicwall ≫ Sma 400 Version -
Sonicwall ≫ Sma 500v Firmware Version 9.0.0.11-31sv
   Sonicwall ≫ Sma 500v Version -
Sonicwall ≫ Sma 500v Firmware Version 10.2.0.8-37sv
   Sonicwall ≫ Sma 500v Version -
Sonicwall ≫ Sma 500v Firmware Version 10.2.1.1-19sv
   Sonicwall ≫ Sma 500v Version -
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 78.26% 0.995
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NIST 9 8 10
AV:N/AC:L/Au:S/C:C/I:C/A:C
CISA-ADP 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026
Vendor Advisory
http://packetstormsecurity.com/files/165563/SonicWall-SMA-100-Series-Authenticated-Command-Injection.html
Third Party Advisory
Exploit
VDB Entry
https://attackerkb.com/topics/9szJhq46lw/cve-2021-20039/rapid7-analysis