OS Command Injection in C-Bus Automation Controller (5500SHAC) - #VU63867

 

OS Command Injection in C-Bus Automation Controller (5500SHAC) - #VU63867

Published: May 31, 2022


Vulnerability identifier: #VU63867
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-78
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Schneider Electric
Affected software:
C-Bus Automation Controller (5500SHAC)

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 in the "script" POST parameter within the Start-up (init) script editor. A remote user on the local network 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.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources