This Updated Advisory is a follow-up to the original Advisory titled “ICSA-11-273-03—Rockwell 
RSLogix denial-of-Service Vulnerability” that was published September 30, 2011 on the ICS-CERT web 
page. 
ICS-CERT is aware of a public report of a denial-of-service vulnerability in Rockwell Automation’s 
RSLogix application.  
--------- Begin Update X Part 1 of 2 -------- 
Rockwell has produced a patch that mitigates this vulnerability for all affected versions of FactoryTalk 
Services Platform and RSLogix 5000. 
--------- End Update X Part 1 of 2 ---------- 
AFFECTED PRODUCTS 
According to Rockwell Automation, the following products are affected: 
• RSLogix 5000 software Versions V17, V18, and V19 
• All FactoryTalk-branded software of specific Versions CPR9 and CPR9-SR1 through SR4.  
IMPACT 
Successful exploitation of this vulnerability could result in a denial-of-service. 
Impact to individual organizations depends on many factors that are unique to each organization. 
ICS-CERT recommends that organizations evaluate the impact of this vulnerability based on their 
operational environment, architecture, and product implementation.