Vulnerability · Published Jun 13, 2023 · Assigned by Rockwell

CVE-2023-2639Rockwell Automation FactoryTalk System Services Vulnerable to Sensitive Information Disclosure

Medium 4.1

In plain English

A medium-severity security flaw in FactoryTalk System Services from Rockwell Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)4.1Medium
Exploit odds (30 days)0.4%top 67.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The underlying feedback mechanism of Rockwell Automation's FactoryTalk System Services that transfers the FactoryTalk Policy Manager rules to relevant devices on the network does not verify that the origin of the communication is from a legitimate local client device.  This may allow a threat actor to craft a malicious website that, when visited, will send a malicious script that can connect to the local WebSocket endpoint and wait for events as if it was a valid client device. If successfully exploited, this would allow a threat actor to receive information including whether FactoryTalk Policy Manager is installed and potentially the entire security policy. 

Affected products (as reported)

VendorProductVersions
Rockwell Automation FactoryTalk System Services <= 6.20

Weakness: CWE-346 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N

References