CVE DATABASE / CVE-2020-5849
CVE-2020-5849
Unraid Authentication Bypass Vulnerability
CVSS 7.5 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2021-11-03.
Federal remediation due 2022-05-03.
Required action: Apply updates per vendor instructions.
Summary
Unraid 6.8.0 allows authentication bypass.
CVSS 3.1 breakdown
| Base score | 7.5 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | NONE |
| Availability | NONE |
Weakness type (CWE)
Affected products
Unraid unraid
Check this CVE live
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- http://packetstormsecurity.com/files/157275/Unraid-6.8.0-Authentication-Bypass-Arbitrary-Code-Execution.html
- https://forums.unraid.net/forum/7-announcements/
- https://sysdream.com/news/lab/
- https://sysdream.com/news/lab/2020-02-06-cve-2020-5847-cve-2020-5849-unraid-6-8-0-unauthenticated-remote-code-execution-as-root/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5849
Data: NIST NVD + CISA KEV. NVD last modified 2026-03-17. Always verify against the vendor advisory before acting.