Vulnerability identifier: #VU8572

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
InTouch Edge HMI
Server applications / SCADA systems
AVEVA Edge
Server applications / SCADA systems

Vendor: AVEVA Software, LLC.

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

InTouch Edge HMI: 8.0 - 8.0.2

AVEVA Edge: 8.0 - 8.0.2

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External links
http://ics-cert.us-cert.gov/advisories/ICSA-17-264-01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.