CVE-2016-7114 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/92745 http://www.securityfocus.com/bid/99471 http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-630413.pdf https://ics-cert.us-cert.gov/advisories/ICSA-17-187-03 https://www.siemens.com/cert/pool/cert/siemens_security_advisory_SSA-323211.pdf

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8