CVE-2016-7114: Critical severity siemens en100 ethernet module dnp3 vulnerability
A vulnerability has been identified in Firmware variant PROFINET IO for EN100 Ethernet module : All versions < V1.04.01; Firmware variant Modbus TCP for EN100 Ethernet module : All versions < V1.11.00; Firmware variant DNP3 TCP for EN100 Ethernet module : All versions < V1.03; Firmware variant IEC 104 for EN100 Ethernet module : All versions < V1.21; EN100 Ethernet module included in SIPROTEC Merging Unit 6MU80 : All versions < 1.02.02; SIPROTEC 7SJ686 : All versions < V 4.87; SIPROTEC 7UT686 : All versions < V 4.02; SIPROTEC 7SD686 : All versions < V 4.05; SIPROTEC 7SJ66 : All versions < V 4.30. Attackers with network access to the device's web interface (port 80/tcp) could possibly circumvent authentication and perform certain administrative operations. A legitimate user must be logged into the web interface for the attack to be successful.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2016-7114?
The severity of CVE-2016-7114 is classified as high due to potential unauthorized access to sensitive data.
How do I fix CVE-2016-7114?
To fix CVE-2016-7114, update the EN100 Ethernet module firmware to version 1.04.01 or later for PROFINET IO, version 1.11.00 or later for Modbus TCP, and version 1.03 or later for DNP3 TCP.
Which versions are affected by CVE-2016-7114?
CVE-2016-7114 affects all versions of the firmware for the EN100 Ethernet module earlier than the specified fixed versions.
What systems are impacted by CVE-2016-7114?
CVE-2016-7114 impacts systems utilizing the affected firmware variants of the EN100 Ethernet module including PROFINET IO, Modbus TCP, and DNP3 TCP.
Is there a workaround for CVE-2016-7114?
There are no known workarounds for CVE-2016-7114, and the recommended action is to upgrade the firmware to a secure version.