CVE-2020-5849

HIGHNVD 7.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.5 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
7.5
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 93%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Unraid 6.8.0 allows authentication bypass.

CVSS v3
7.5
EG Score
9.0(high)
EPSS
99.8%
KEV
⚠ Exploited

Published

March 16, 2020

Last Modified

March 17, 2026

Advisory Details (2)

Auto-updated Jun 5, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5849
generic

Le lab - Audit et formations en sécurité informatique Audit et formations en sécurité informatique

https://sysdream.com/news/lab/

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 53× in last 7d / 218× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 389 total refreshes for this CVE.

  1. 2026-07-22 19:40 UTCCISA KEV update
  2. 2026-07-22 18:58 UTCGHSA enrichment
  3. 2026-07-22 15:18 UTCEG score recompute
  4. 2026-07-22 15:18 UTCGHSA enrichment
  5. 2026-07-22 14:05 UTCEPSS rescore
  6. 2026-07-22 11:38 UTCGHSA enrichment
  7. 2026-07-22 07:57 UTCGHSA enrichment
  8. 2026-07-22 04:16 UTCGHSA enrichment
  9. 2026-07-22 00:21 UTCGHSA enrichment
  10. 2026-07-21 20:39 UTCGHSA enrichment
  11. 2026-07-21 16:58 UTCGHSA enrichment
  12. 2026-07-21 14:37 UTCCISA KEV update
  13. 2026-07-21 13:18 UTCGHSA enrichment
  14. 2026-07-21 09:38 UTCGHSA enrichment
  15. 2026-07-21 05:58 UTCGHSA enrichment
  16. 2026-07-21 02:17 UTCGHSA enrichment
  17. 2026-07-20 22:37 UTCGHSA enrichment
  18. 2026-07-20 18:56 UTCGHSA enrichment
  19. 2026-07-20 15:16 UTCGHSA enrichment
  20. 2026-07-20 11:36 UTCGHSA enrichment
  21. 2026-07-20 07:56 UTCGHSA enrichment
  22. 2026-07-20 04:16 UTCGHSA enrichment
  23. 2026-07-20 00:36 UTCGHSA enrichment
  24. 2026-07-19 20:55 UTCGHSA enrichment
  25. 2026-07-19 17:15 UTCGHSA enrichment
Show 75 more
  1. 2026-07-19 13:35 UTCGHSA enrichment
  2. 2026-07-19 09:53 UTCGHSA enrichment
  3. 2026-07-19 06:13 UTCGHSA enrichment
  4. 2026-07-19 02:33 UTCGHSA enrichment
  5. 2026-07-18 22:53 UTCGHSA enrichment
  6. 2026-07-18 19:12 UTCGHSA enrichment
  7. 2026-07-18 15:31 UTCGHSA enrichment
  8. 2026-07-18 11:51 UTCGHSA enrichment
  9. 2026-07-18 08:11 UTCGHSA enrichment
  10. 2026-07-18 04:31 UTCGHSA enrichment
  11. 2026-07-18 00:51 UTCGHSA enrichment
  12. 2026-07-17 21:11 UTCGHSA enrichment
  13. 2026-07-17 17:31 UTCGHSA enrichment
  14. 2026-07-17 13:49 UTCGHSA enrichment
  15. 2026-07-17 10:08 UTCEG score recompute
  16. 2026-07-17 10:08 UTCGHSA enrichment
  17. 2026-07-17 06:28 UTCGHSA enrichment
  18. 2026-07-17 02:47 UTCGHSA enrichment
  19. 2026-07-16 23:07 UTCGHSA enrichment
  20. 2026-07-16 19:27 UTCGHSA enrichment
  21. 2026-07-16 17:04 UTCCISA KEV update
  22. 2026-07-16 17:00 UTCEPSS rescore
  23. 2026-07-16 15:46 UTCGHSA enrichment
  24. 2026-07-16 12:06 UTCGHSA enrichment
  25. 2026-07-16 08:26 UTCGHSA enrichment
  26. 2026-07-16 04:46 UTCGHSA enrichment
  27. 2026-07-16 01:05 UTCGHSA enrichment
  28. 2026-07-15 21:25 UTCGHSA enrichment
  29. 2026-07-15 17:44 UTCGHSA enrichment
  30. 2026-07-15 16:49 UTCCISA KEV update
  31. 2026-07-15 15:04 UTCCISA KEV update
  32. 2026-07-15 14:04 UTCGHSA enrichment
  33. 2026-07-15 10:21 UTCGHSA enrichment
  34. 2026-07-15 06:40 UTCGHSA enrichment
  35. 2026-07-15 02:59 UTCGHSA enrichment
  36. 2026-07-14 23:19 UTCGHSA enrichment
  37. 2026-07-14 19:36 UTCGHSA enrichment
  38. 2026-07-14 18:05 UTCCISA KEV update
  39. 2026-07-14 15:56 UTCGHSA enrichment
  40. 2026-07-14 12:16 UTCGHSA enrichment
  41. 2026-07-14 08:36 UTCGHSA enrichment
  42. 2026-07-14 04:56 UTCGHSA enrichment
  43. 2026-07-14 01:16 UTCGHSA enrichment
  44. 2026-07-13 21:36 UTCGHSA enrichment
  45. 2026-07-13 17:56 UTCGHSA enrichment
  46. 2026-07-13 17:07 UTCCISA KEV update
  47. 2026-07-13 14:15 UTCGHSA enrichment
  48. 2026-07-13 10:34 UTCGHSA enrichment
  49. 2026-07-13 06:53 UTCGHSA enrichment
  50. 2026-07-13 03:12 UTCGHSA enrichment
  51. 2026-07-12 23:32 UTCGHSA enrichment
  52. 2026-07-12 19:52 UTCGHSA enrichment
  53. 2026-07-12 16:11 UTCGHSA enrichment
  54. 2026-07-12 12:32 UTCGHSA enrichment
  55. 2026-07-12 08:52 UTCGHSA enrichment
  56. 2026-07-12 05:12 UTCGHSA enrichment
  57. 2026-07-12 01:32 UTCGHSA enrichment
  58. 2026-07-11 21:52 UTCGHSA enrichment
  59. 2026-07-11 18:12 UTCGHSA enrichment
  60. 2026-07-11 14:31 UTCGHSA enrichment
  61. 2026-07-11 10:50 UTCGHSA enrichment
  62. 2026-07-11 07:09 UTCGHSA enrichment
  63. 2026-07-11 03:29 UTCGHSA enrichment
  64. 2026-07-10 23:49 UTCGHSA enrichment
  65. 2026-07-10 20:08 UTCGHSA enrichment
  66. 2026-07-10 17:52 UTCCISA KEV update
  67. 2026-07-10 16:27 UTCGHSA enrichment
  68. 2026-07-10 12:47 UTCGHSA enrichment
  69. 2026-07-10 09:06 UTCGHSA enrichment
  70. 2026-07-10 05:24 UTCGHSA enrichment
  71. 2026-07-10 01:43 UTCGHSA enrichment
  72. 2026-07-09 22:04 UTCGHSA enrichment
  73. 2026-07-09 19:07 UTCEPSS rescore
  74. 2026-07-09 18:23 UTCGHSA enrichment
  75. 2026-07-09 14:43 UTCGHSA enrichment

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 ↗

Related CVEs(same CWE)

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

Explore the affected products and dependency analysis for CVE-2020-5849

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