CVE-2024-7847 RSLogix™ 5 and RSLogix 500® Remote Code Execution Via VBA Embedded Script

High 8.8 Published Updated

Attackers can execute arbitrary code by tricking users into opening malicious project files with embedded VBA scripts in Rockwell RSLogix software.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2024-7847?

CVE-2024-7847 is a high-severity code injection vulnerability in Rockwell Automation RSLogix 500®, published on 14 Oct 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

VULNERABILITY DETAILS

Rockwell Automation used the latest versions of the CVSS scoring system to assess the following vulnerabilities. The following vulnerabilities were reported to us by Sharon Brizinov of Claroty Research - Team82.

A feature in the affected products enables users to prepare a project file with an embedded VBA script and can be configured to run once the project file has been opened without user intervention. This feature can be abused to trick a legitimate user into executing malicious code upon opening an infected RSP/RSS project file. If exploited, a threat actor may be able to perform a remote code execution. Connected devices may also be impacted by exploitation of this vulnerability.

Weakness: CWE-345

Which versions are affected by CVE-2024-7847?

It affects 4 products.

Products include Rockwellautomation Rslogix 5, Rockwellautomation Rslogix 500, Rockwellautomation Rslogix Micro Developer, Rockwellautomation Rslogix Micro Starter Lite.

How do I fix CVE-2024-7847?

No fix has been published for CVE-2024-7847 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2024-7847 being exploited?

There is no known exploitation of CVE-2024-7847 in the wild and no public exploit code.

Sources

Also known as GHSA-wr43-q2v2-949w.

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