[ CVE-2020-5847 · Published 16 Mar 2020 ]
Unraid Remote Code Execution Vulnerability
Exploited · CISA KEV CVSS 9.8
EPSS 96%No fix listed yet
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
- EPSS: 96% chance of exploitation in the next 30 days (higher than 100% of CVEs)
- Critical severity: CVSS 9.8
[ Description ]Official description
Unraid through 6.8.0 allows Remote Code Execution.
CISA: 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.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 3 May 2022): Apply updates per vendor instructions.
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- packetstormsecurity.com/files/157275/Unraid-6.8.0-Authentication-Bypass-Arbitrary-Code-…ExploitThird Party AdvisoryVDB Entry
- forums.unraid.net/forum/7-announcementsRelease NotesVendor Advisory
- sysdream.com/news/labThird Party Advisory
- sysdream.com/news/lab/2020-02-06-cve-2020-5847-cve-2020-5849-unraid-6-8-0-unauthenticat…Broken LinkExploitThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource