Advisory Details

June 22nd, 2020

(Pwn2Own) Rockwell Automation FactoryTalk View SE AddAgent Missing Authentication for Critical Function Remote Code Execution Vulnerability

ZDI-20-735
ZDI-CAN-10299

CVE ID CVE-2020-12033
CVSS SCORE 9.8, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Rockwell Automation
AFFECTED PRODUCTS FactoryTalk View SE
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Rockwell Automation FactoryTalk View SE. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the AddAgent method. The issue results from a lack of authentication required to instantiate a COM object on the server. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.

ADDITIONAL DETAILS Rockwell Automation has issued an update to correct this vulnerability. More details can be found at:
https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1126946
DISCLOSURE TIMELINE
  • 2020-01-30 - Vulnerability reported to vendor
  • 2020-06-22 - Coordinated public release of advisory
CREDIT Sharon Brizinov, Amir Preminger of Claroty Research
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