SB2017092202 - Command execution in Schneider Electric InduSoft Web Studio and InTouch Machine Edition
Published: September 22, 2017
Security Bulletin ID
SB2017092202
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Command execution (CVE-ID: CVE-2017-13997)
CWE-ID: CWE-306 - Missing Authentication for Critical Function
CVSSv4: 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/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The weakness exists due to improper authentication. A remote attacker can supply a malicious HMI client to trigger script execution on the server, bypass the server authentication and execute arbitrary commands with elevated privileges.
Successful exploitation of the vulnerability may result in a complete compromise of the server.
Remediation
Install update from vendor's website.