CVE-2020-4006

CRITICALNVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score elevated to 9.1 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 9.1 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
9.1EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 17%CVSS: 9.1Exploit: cisa kev · ssvc active · epss top5pctExposed: 0

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

VMware Workspace One Access, Access Connector, Identity Manager, and Identity Manager Connector address have a command injection vulnerability.

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: 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
Severity91% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
17%
EPSS %ILE
97%
KEV
⚠ Exploited

Published

November 23, 2020

Last Modified

October 30, 2025

Advisory Details (3)

Auto-updated Aug 1, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa, cert.
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-2020-4006
generic

Support Content Notification - Support Portal - Broadcom support portal

https://www.vmware.com/security/advisories/VMSA-2020-0027.html
cert

VU#724367 - VMware Workspace ONE Access and related components are vulnerable to command injection

https://www.kb.cert.org/vuls/id/724367

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 53× 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 832 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2020-4006?
CVE-2020-4006 is a critical vulnerability published on November 23, 2020. VMware Workspace One Access, Access Connector, Identity Manager, and Identity Manager Connector address have a command injection vulnerability.
When was CVE-2020-4006 disclosed?
CVE-2020-4006 was first published in the National Vulnerability Database on November 23, 2020, with the most recent update on October 30, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-4006 actively exploited?
Yes. CISA added CVE-2020-4006 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting VMware Multiple Products. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2020-4006?
CVE-2020-4006 has a CVSS v3 base score of 9.1 (NVD).
Which products are affected by CVE-2020-4006?
CVE-2020-4006 affects VMware Multiple Products. 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-2020-4006?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-4006, 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.

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