CVE-2021-22005

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
Exploited 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: 100%CVSS: 9.8Exploit: cisa kev · ssvc active · kev ransomware · Metasploit · 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.

The vCenter Server contains an arbitrary file upload vulnerability in the Analytics service. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to execute code on vCenter Server by uploading a specially crafted file.

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
100%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

September 23, 2021

Last Modified

October 30, 2025

Advisory Details (3)

Auto-updated Sep 17, 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-2021-22005
generic🔴 Active Exploitation

Support Content Notification - Support Portal - Broadcom support portal

https://www.vmware.com/security/advisories/VMSA-2021-0020.html
generic

Packet Storm Security

http://packetstormsecurity.com/files/164439/VMware-vCenter-Server-Analytics-CEIP-Service-File-Upload.html

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 45× in last 7d / 187× 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 696 total refreshes for this CVE.

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

Publicly available exploits

(9 references)

Working exploit code is in the public domain (1 Metasploit module) (7 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCshmilylty/cve-2021-22005-exp
    First seen Dec 18, 2021
    Open source ↗
  • GitHub PoCJun-5heng/CVE-2021-22005
    First seen Oct 27, 2021

    VMware vCenter Server任意文件上传漏洞 / Code By:Jun_sheng

    Open source ↗
  • GitHub PoCtiagob0b/CVE-2021-22005
    First seen Oct 24, 2021
    Open source ↗
  • GitHub PoCTaroballzChen/CVE-2021-22005-metasploit
    First seen Oct 2, 2021

    the metasploit script(POC/EXP) about CVE-2021-22005 VMware vCenter Server contains an arbitrary file upload vulnerability

    Open source ↗
  • GitHub PoCrwincey/CVE-2021-22005
    First seen Sep 28, 2021
    Open source ↗
  • GitHub PoC5gstudent/CVE-2021-22005-
    First seen Sep 25, 2021

    CVE-2021-22005批量验证python脚本

    Open source ↗
  • GitHub PoC1ZRR4H/CVE-2021-22005
    First seen Sep 23, 2021
    Open source ↗
  • Metasploitexploit/linux/http/vmware_vcenter_analytics_file_upload✓ verified
    First seen Sep 21, 2021

    VMware vCenter Server Analytics (CEIP) Service File Upload

    Open source ↗
  • Nucleihttp/cves/2021/CVE-2021-22005.yaml
    First seen Jan 1, 2021

    VMware vCenter Server - Arbitrary File Upload

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2021-22005?
CVE-2021-22005 is a critical vulnerability published on September 23, 2021. The vCenter Server contains an arbitrary file upload vulnerability in the Analytics service. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to execute code on vCenter Server by uploading a specially crafted file.
When was CVE-2021-22005 disclosed?
CVE-2021-22005 was first published in the National Vulnerability Database on September 23, 2021, 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-2021-22005 actively exploited?
Yes. CISA added CVE-2021-22005 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting VMware vCenter Server. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2021-22005?
CVE-2021-22005 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2021-22005?
CVE-2021-22005 affects VMware vCenter Server. 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-2021-22005?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-22005, 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-2021-22005

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