All vulnerabilities
CVE-2020-5847

Unraid Remote Code Execution Vulnerability

Unraid Unraid
Open in ThreatlineRecord JSON
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV
Exploit odds (EPSS)95.8%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Federal deadline3 May 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version.

Timeline

  1. 10 Feb 2020Exploit code publicMetasploit
  2. 16 Mar 2020, 17:23 UTCPublishedCVE List
  3. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 3

  • Exploit moduleUnraid 6.8.0 Auth Bypass PHP Code Execution 10 Feb 2020Metasploit
  • Remote exploitUnraid 6.8.0 - Auth Bypass PHP Code Execution (Metasploit) 20 Apr 2020Exploit-DB
  • Scanner templateUnRaid <=6.80 - Remote Code ExecutionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

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.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 5