Command Injection in EX200 - CVE-2021-43711

 

Command Injection in EX200 - CVE-2021-43711

Published: March 14, 2022


Vulnerability identifier: #VU61282
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-43711
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to improper input validation in the downloadFlile.cgi binary file. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

EX200

How to mitigate CVE-2021-43711

Install updates from vendor's website.


External References

Related Security Bulletins