CVE-2020-5847: Unraid Remote Code Execution Vulnerability

CISA Known Exploited Vulnerability (KEV)

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.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2020-5847

Weakness behind it

CISA has not recorded a CWE for this entry, so the CVE → CWE → CAPEC → ATT&CK chain cannot be walked from here. That is a gap in the catalogue, not evidence the vulnerability has no weakness class — check the NVD record below.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-5847
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog