← Back
CVE-2021-44255
Unrestricted File Upload in motioneye (CVE-2021-44255)
Summary
vulnerability in motioneye (CVE-2021-44255). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2021-44255** has been found in motioneye.
Successful exploitation can lead to full system takeover. CVSS score: ?/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "motioneye CVE-2021-44255" on the vendor's site.
CVE-2021-44255 (motioneye) — CWE-434 /
Attack vector: remote (network-reachable) / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (CWE-434) exists in motioneye.
📍 Affected scope
motioneye — .
🔥 Severity
Severity: ?. Successful exploitation can lead to full system takeover
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'motioneye' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'motioneye' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `motioneye` を grep し、稼働しているサービス・バージョンを把握する。
-
7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
PyPI
motioneye
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.42.1"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2021-44255
- advisory https://github.com/advisories/GHSA-m2c7-42rf-c62f
- package https://github.com/ccrisan/motioneye
- package https://pypi.org/project/motioneye
- web https://github.com/ccrisan/motioneyeos/issues/2843
- web https://www.pizzapower.me/2021/10/09/self-hosted-security-part-1-motioneye