OS Command Injection in Emerson products - CVE-2021-81019

 

OS Command Injection in Emerson products - CVE-2021-81019

Published: October 6, 2021


Vulnerability identifier: #VU57094
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-81019
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Emerson
Affected software:
WirelessHART 1410 Gateway
WirelessHART 1410D Gateway
WirelessHART 1420 Gateway

Detailed vulnerability description

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

The vulnerability exists due to improper input validation within the passphrase. A remote authenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

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


How to mitigate CVE-2021-81019

Install updates from vendor's website.

Sources