November 3, 2021 · Applied Cybernetics Group
CVE-2020-5847 — Unraid Unraid
Unraid Remote Code Execution Vulnerability
- Added to KEV
2021-11-03- Federal due date
2022-05-03- Vendor
- Unraid
- Product
- Unraid
- EPSS
- 99.9th percentile (score 0.938, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2020-5847
CISA short description
Unraid contains a vulnerability due to the insecure use of the extract PHP function that can be abused to execute remote code as root. This CVE is chainable with CVE-2020-5849 for initial access.
Required action
Apply updates per vendor instructions.