Command execution in Schneider Electric InduSoft Web Studio and InTouch Machine Edition
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-13997 |
| CWE-ID | CWE-306 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
InTouch Edge HMI Server applications / SCADA systems AVEVA Edge Server applications / SCADA systems |
| Vendor | AVEVA Software, LLC. |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Command execution
EUVDB-ID: #VU8572
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-13997
CWE-ID:
CWE-306 - Missing Authentication for Critical Function
Exploit availability: No
Description
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.
Install update from vendor's website.
InTouch Edge HMI: 8.0 - 8.0.2
AVEVA Edge: 8.0 - 8.0.2
External linkshttp://ics-cert.us-cert.gov/advisories/ICSA-17-264-01
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
