[Control Systems] Siemens SIPROTEC 4 and SIPROTEC Compact Vulnerability

Number: AV17-097
Date: 10 July 2017


The purpose of this advisory is to bring attention to a recently disclosed vulnerability in Siemens SIPROTEC 4 and SIPROTEC Compact products.


Multiple vulnerabilities were identified in Siemens SIPROTEC 4 and SIPROTEC Compact products. Exploitation of these vulnerabilities could allow an attacker to perform a denial-of-service attack under certain conditions.

Affected Products:
Firmware versions for EN100 Ethernet modules as optional for SIPROTEC 4 and SIPROTEC Compact:

EN100 Ethernet module included in SIPROTEC Merging Unit 6MU80 version V1.02.02 and earlier
SIPROTEC 7SJ66 version V4.23 and earlier
SIPROTEC 7SJ686 version V4.86 and earlier
SIPROTEC 7UT686 version V4.01 and earlier
SIPROTEC 7SD686 version V4.04 and earlier
SIPROTEC 7SJ66, 7SD686, 7SJ686 and 7UT686

CVE References: CVE-2015-5374, CVE-2016-4784, CVE-2016-4785, CVE-2016-7112, CVE-2016-7113, CVE-2016-7114

Suggested Action

CCIRC recommends that owner/operators test and deploy the vendor released updates or workarounds to affected platforms accordingly.



Note to Readers

In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.

Please note, CCIRC PGP key has recently been updated.

For general information, please contact Public Safety Canada's Public Affairs division at:

Telephone: 613-944-4875 or 1-800-830-3118
Fax: 613-998-9589
E-mail: ps.communications-communications.sp@canada.ca

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