CVE-2020-5849 Exploited in the Wild — Unraid

Known Exploited Vulnerability Sources

Catalogues that list this CVE as a known exploited vulnerability.

Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.

Source	Added
CISA First	2021-11-03 00:00 UTC

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Metasploit	https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/unraid_auth_bypass_exec.rb	Apr 28, 2025

Virtual Patch

Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.

Not available

KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.

Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.

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CVSS Scores

CVSS v3.1 7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0 5.0 Medium

AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitation Status

Exploited in the wild

Recorded 2021-11-03 00:00:00 UTC · CISA

Proof of concept available

Recorded 2025-04-28 15:02:11 UTC

Weaknesses (CWE)

CWE-697

Incorrect Comparison

Scanner Integrations

Nuclei, Metasploit, and other scanner references for this CVE are listed on the Detection tab.

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

unraid_auth_bypass_exec

metasploit · Created Unknown

Metasploit module for CVE-2020-5849

Timeline

Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.

28 Apr 2025 15:02 UTC over 1 year ago

28 Apr 2025 15:02 UTC · over 1 year ago

Metasploit module available

Exploit module available
28 Apr 2025 15:02 UTC over 1 year ago

28 Apr 2025 15:02 UTC · over 1 year ago

Public PoC available

Public proof-of-concept code published
3 Nov 2021 00:00 UTC over 4 years ago

3 Nov 2021 00:00 UTC · over 4 years ago

Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
16 Mar 2020 17:24 UTC over 6 years ago

16 Mar 2020 17:24 UTC · over 6 years ago

CVE published

Vulnerability disclosed publicly
6 Jan 2020 00:00 UTC over 6 years ago

6 Jan 2020 00:00 UTC · over 6 years ago

CVE ID reserved

Identifier reserved by the CNA

Automate This Intelligence with the Pro API

Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Pro API Example

GET /api/v2/pro/kevs/CVE-2020-5849

{
  "cve_id": "CVE-2020-5849",
  "title": "Unraid 6.8.0 allows authentication bypass.",
  "affected_vendor": "Limetech",
  "affected_product": "Unraid",
  "affected_versions": [
    { "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
  ],
  "confidence": "Confirmed",
  "cvss_score": 7.5,
  "epss_score": 0.93243,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "...": "Pro API fields" },
  "proof_of_concepts": [ "..." ],
  "scanner_integrations": [ "..." ]
}

The free JSON API returns basic KEV fields only. Confidence, telemetry, and artifact enrichment require Pro API access.

CVE-2020-5849

At a Glance

CVE References