VIR Vulnerability Intelligence Relay

CVE-2020-5847

unknown KEV
Published 2021-11-03 · Modified 2021-11-03
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
2.5

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.

CISA KEV

Vendor
Unraid
Product
Unraid
Due date
2022-05-03

Predictions

Exploit likelihood
99%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-48353 remote linux verified
Metasploit · 2020-04-20

Unraid 6.8.0 - Auth Bypass PHP Code Execution (Metasploit)

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_linux/http/unraid_auth_bypass_exec rank 600
Unraid 6.8.0 Auth Bypass PHP Code Execution
Source code queued for fetch — refresh in a moment.

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.