CVE-2020-5849
KEVUnraid Authentication Bypass Vulnerability
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.
Unraid 6.8.0 allows authentication bypass.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NPublishedMar 16, 2020
Last modifiedJun 17, 2026
Added to KEVNov 3, 2021
Remediation dueMay 3, 2022
References
- packetstormsecurity.com/files/157275/Unraid-6.8.0-Authentication-Bypass-Arbitrary-Code-Execution.htmlExploitThird Party Advisory
- forums.unraid.net/forum/7-announcements/Release NotesVendor Advisory
- sysdream.com/news/lab/Third Party Advisory
- sysdream.com/news/lab/2020-02-06-cve-2020-5847-cve-2020-5849-unraid-6-8-0-unauthenticated-remote-code-execution-as-root/Broken LinkExploit
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5849US Government Resource
0 recent articles mention this CVE
77
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1637 days
- CVSS
- 7.5 HIGH
- EPSS (30-day exploit probability)
- 93.2% · top 1% of all CVEs
- Weakness
- CWE-697
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.