Vulnerability CVE-2016-4785
Published: 2016-05-30   Modified: 2016-05-31

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. The integrated web server (port 80/tcp) of the affected devices could allow remote attackers to obtain a limited amount of device memory content if network access was obtained. This vulnerability only affects EN100 Ethernet module included in SIPROTEC4 and SIPROTEC Compact devices.

Type:

CWE-200

 (Information Exposure)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Siemens -> Siprotec firmware 

 References:
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
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