CVE-2020-5847

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 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 9.8 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
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 96%CVSS: 9.8Exploit: 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 through 6.8.0 allows Remote Code Execution.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

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
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
96%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

March 16, 2020

Last Modified

March 17, 2026

Advisory Details (3)

Auto-updated Jul 27, 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-2020-5847
generic

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

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

Announcements - Unraid

https://forums.unraid.net/forum/7-announcements/

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 34× in last 7d / 196× 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 412 total refreshes for this CVE.

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

Publicly available exploits

(3 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 ↗
  • Nucleihttp/cves/2020/CVE-2020-5847.yaml
    First seen Jan 1, 2020

    UnRaid <=6.80 - Remote Code Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2020-5847?
CVE-2020-5847 is a critical vulnerability published on March 16, 2020. Unraid through 6.8.0 allows Remote Code Execution.
When was CVE-2020-5847 disclosed?
CVE-2020-5847 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-2020-5847 actively exploited?
Yes. CISA added CVE-2020-5847 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-2020-5847?
CVE-2020-5847 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2020-5847?
CVE-2020-5847 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-2020-5847?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-5847, 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-2020-5847

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