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Findings

CVE-2020-5847

Unraid Remote Code Execution Vulnerability

Published Mar 16, 2020 · updated Jun 16, 2026 · unraid unraid

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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 16, 2020 · Catalog

    Detected

    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.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 3, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Required action

Apply updates per vendor instructions.

CISA due date May 3, 2022

Affected

  • cpe unraid/unraidversion unspecified
  • vendor Unraid Unraidversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2020-5847

    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.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2020-5847

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-5847

    30-day exploitation probability 95.8%

    first.org
  • Exploit DatabasePublic exploit reference48353

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleexploit_linux/http/unraid_auth_bypass_exec

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2020-5847

    Unraid through 6.8.0 allows Remote Code Execution.

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/157275/Unraid-6.8.0-Authentication-Bypass-Arbitrary-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References