Unraid Authentication Bypass 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-2020-5849

CISA short description

Unraid contains an authentication bypass vulnerability that allows attackers to gain access to the administrative interface. This CVE is chainable with CVE-2020-5847 for remote code execution.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.