8.5
HIGH
CVE-2012-6439
Rockwell Automation EtherNet/IP products Remote Denial of Service Vulnerability
Description

Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400 allow remote attackers to cause a denial of service (control and communication outage) via a CIP message that modifies the (1) configuration or (2) network parameters.

INFO

Published Date :

Jan. 24, 2013, 9:55 p.m.

Last Modified :

Jan. 25, 2013, 4:29 p.m.

Remotely Exploitable :

Yes !

Impact Score :

7.8

Exploitability Score :

10.0
Affected Products

The following products are affected by CVE-2012-6439 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 Rockwellautomation controllogix_controllers
2 Rockwellautomation guardlogix_controllers
3 Rockwellautomation micrologix
4 Rockwellautomation softlogix_controllers
5 Rockwellautomation 1756-enbt
6 Rockwellautomation 1756-eweb
7 Rockwellautomation 1768-enbt
8 Rockwellautomation 1768-eweb
9 Rockwellautomation 1794-aentr_flex_i\/o_ethernet\/ip_adapter
10 Rockwellautomation compactlogix
11 Rockwellautomation compactlogix_controllers
12 Rockwellautomation compactlogix_l32e_controller
13 Rockwellautomation compactlogix_l35e_controller
14 Rockwellautomation controllogix
15 Rockwellautomation flexlogix_1788-enbt_adapter
16 Rockwellautomation guardlogix
17 Rockwellautomation softlogix
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2012-6439.

URL Resource
http://www.us-cert.gov/control_systems/pdf/ICSA-13-011-03.pdf US Government Resource

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-2012-6439 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2012-6439 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.

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-2012-6439 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2012-6439 weaknesses.

Exploit Prediction

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

0.28 }} 0.22%

score

0.68854

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability