CVE-2024-21918: arena Use-After-Free (CVSS 7.8)

Description

A memory buffer vulnerability in Rockwell Automation Arena Simulation software could potentially allow a malicious user to insert unauthorized code to the software by corrupting the memory and triggering an access violation. Once inside, the threat actor can run harmful code on the system. This affects the confidentiality, integrity, and availability of the product. To trigger this, the user would unwittingly need to open a malicious file shared by the threat actor.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor	Product	Versions
rockwellautomation	arena	16.00.00 — 16.20.03

References

Other References

https://www.rockwellautomation.com/en-us/support/advisory.SD-1665.html https://www.rockwellautomation.com/en-us/support/advisory.SD-1665.html

Frequently Asked Questions

What is CVE-2024-21918? +

A memory buffer vulnerability in Rockwell Automation Arena Simulation software could potentially allow a malicious user to insert unauthorized code to the software by corrupting the memory and triggering an access violation. Once inside, the threat actor can run harmful code on the system. This affects the confidentiality, integrity, and availability of the product. To trigger this, the user would unwittingly need to open a malicious file shared by the threat actor. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-21918? +

CVE-2024-21918 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-21918? +

CVE-2024-21918 affects products from rockwellautomation, specifically: arena. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-21918? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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