9.8
CRITICAL
CVE-2016-7112
"Siemens EN100 Ethernet Web Interface Authentication Bypass"
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. Attackers with network access to the device's web interface (port 80/tcp) could possibly circumvent authentication and perform certain administrative operations.

INFO

Published Date :

Sept. 6, 2016, 12:59 a.m.

Last Modified :

March 23, 2018, 1:29 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2016-7112 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Siemens en100_ethernet_module_firmware
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-7112 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-7112 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 23, 2018

    Action Type Old Value New Value
    Changed Description The EN100 Ethernet module before 4.29 for Siemens SIPROTEC 4 and SIPROTEC Compact devices allows remote attackers to bypass authentication and obtain administrative access via unspecified HTTP traffic. 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. Attackers with network access to the device's web interface (port 80/tcp) could possibly circumvent authentication and perform certain administrative operations.
  • CVE Modified by [email protected]

    Jan. 03, 2018

    Action Type Old Value New Value
    Added Reference https://www.siemens.com/cert/pool/cert/siemens_security_advisory_SSA-323211.pdf [No Types Assigned]
    Added Reference https://ics-cert.us-cert.gov/advisories/ICSA-17-187-03 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 11, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/99471 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/92747 [No Types Assigned]
  • Modified Analysis by [email protected]

    Sep. 06, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 AND OR *cpe:2.3:a:siemens:en100_ethernet_module_firmware:4.28:*:*:*:*:*:*:* (and previous) OR cpe:2.3:h:siemens:en100_ethernet_module:-:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-630413.pdf No Types Assigned http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-630413.pdf Vendor Advisory
    Added CWE CWE-287
  • Initial Analysis by [email protected]

    Sep. 06, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-7112 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.38 }} 0.00%

score

0.68904

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability