CVE-2016-4784 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 4.83; SIPROTEC 7UT686 : All versions V 4.01; SIPROTEC 7SD686 : All versions V 4.03; SIPROTEC 7SJ66 : All versions V 4.20. The integrated web server (port 80/tcp) of the affected devices could allow remote attackers to obtain sensitive device information if network access was obtained.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/90773 http://www.securityfocus.com/bid/99471 http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-547990.pdf https://ics-cert.us-cert.gov/advisories/ICSA-16-140-02 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

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

5.3