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
Trending — 3 sources updated this weekExploited in the wild
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 100%CVSS: 9.8Exploit: NoneExposed: 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
100.0%
KEV
⚠ Exploited

Published

September 23, 2021

Last Modified

October 30, 2025

Advisory Details (3)

Auto-updated Jun 1, 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

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 37× in last 7d / 180× 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 339 total refreshes for this CVE.

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

Explore →

Is Your Infrastructure Affected by CVE-2021-22005?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs