CVE-2020-5849

CRITICALNVD 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 93%CVSS: 7.5Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 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)
EG Risk
96(Attend)
EG Risk 96/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
93%
EPSS %ILE
100%
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 51× in last 7d / 229× 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 813 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2020-5849?
CVE-2020-5849 is a critical 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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