CVE-2020-5849

HIGHNVD 7.59.0▲Trending — 4 sources updated this weekExploited in the wild

7.5

Unraid 6.8.0 allows authentication bypass.

CVSS v3: 7.5
EG Score: 9.0(high)
EPSS: 99.9%
KEV: ⚠ Exploited

Published

March 16, 2020

Last Modified

March 17, 2026

References (9)

cve@mitrehttp://packetstormsecurity.com/files/157275/Unraid-6.8.0-Authentication-Bypass-Arbitrary-Code-Execution.html
cve@mitrehttps://forums.unraid.net/forum/7-announcements/
cve@mitrehttps://sysdream.com/news/lab/
cve@mitrehttps://sysdream.com/news/lab/2020-02-06-cve-2020-5847-cve-2020-5849-unraid-6-8-0-unauthenticated-remote-code-execution-as-root/
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/157275/Unraid-6.8.0-Authentication-Bypass-Arbitrary-Code-Execution.html
af854a3a-2127-422b-91ae-364da2661108https://forums.unraid.net/forum/7-announcements/
af854a3a-2127-422b-91ae-364da2661108https://sysdream.com/news/lab/
af854a3a-2127-422b-91ae-364da2661108https://sysdream.com/news/lab/2020-02-06-cve-2020-5847-cve-2020-5849-unraid-6-8-0-unauthenticated-remote-code-execution-as-root/
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5849

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-03 18:44 UTCEG score recompute
2026-06-03 18:44 UTCGHSA enrichment
2026-06-03 15:04 UTCEG score recompute
2026-06-03 15:04 UTCGHSA enrichment
2026-06-03 11:24 UTCEG score recompute
2026-06-03 11:24 UTCGHSA enrichment
2026-06-03 07:44 UTCEG score recompute
2026-06-03 07:44 UTCGHSA enrichment
2026-06-03 04:04 UTCEG score recompute
2026-06-03 04:04 UTCGHSA enrichment
2026-06-03 00:24 UTCEG score recompute
2026-06-03 00:24 UTCGHSA enrichment
2026-06-02 20:44 UTCEG score recompute
2026-06-02 20:44 UTCGHSA enrichment
2026-06-02 18:32 UTCkev_newly_listed
2026-06-02 17:04 UTCEG score recompute
2026-06-02 17:04 UTCGHSA enrichment
2026-06-02 13:24 UTCEG score recompute
2026-06-02 13:24 UTCGHSA enrichment
2026-06-02 09:44 UTCEG score recompute

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-48353✓ verified
First seen Apr 20, 2020
Unraid 6.8.0 - Auth Bypass PHP Code Execution (Metasploit)
Open source ↗
Metasploitexploit/linux/http/unraid_auth_bypass_exec✓ verified
First seen Feb 10, 2020
Unraid 6.8.0 Auth Bypass PHP Code Execution
Open source ↗

Frequently asked(6)

What is CVE-2020-5849?

CVE-2020-5849 is a high vulnerability published on March 16, 2020. Unraid 6.8.0 allows authentication bypass.

When was CVE-2020-5849 disclosed?

CVE-2020-5849 was first published in the National Vulnerability Database on March 16, 2020, with the most recent update on March 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-5849 actively exploited?

Yes. CISA added CVE-2020-5849 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Unraid Unraid. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2020-5849?

CVE-2020-5849 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

Which products are affected by CVE-2020-5849?

CVE-2020-5849 affects Unraid Unraid. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2020-5849?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-5849, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-5849

📅 Published

🔄 Last Modified

🔗 References (9)

Weakness Classification(2)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-5849?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (9)

Frequently asked(6)

Related CVEs(same CWE)