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Vulnerabilities

Vulnerability · CVE-2021-22005

VMware vCenter Server File Upload Vulnerability

Published Sep 23, 2021 · catalog updated Jun 16, 2026 · VMware vCenter Server

Patch now

CVE-2021-22005 is in the CISA known-exploited catalog, due Nov 17, 2021. Confirm VMware vCenter Server against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
100.00%
Remediation
Remediation guidance
Affected products
cpe vmware/cloud foundation · cpe vmware/vcenter server · vendor VMware vCenter Server

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe vmware/cloud foundationversion unspecified
  • cpe vmware/vcenter server6.5
  • cpe vmware/vcenter server6.7
  • cpe vmware/vcenter server7.0
  • vendor VMware vCenter Serverversion unspecified

How to fix CVE-2021-22005

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2021-22005 is in the CISA known-exploited catalog, due Nov 17, 2021. Confirm VMware vCenter Server against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with vmware/vcenter server 6.5; vmware/vcenter server 6.7; vmware/vcenter server 7.0. Apply updates per vendor instructions.

What should an analyst verify?

CWE-22: Path Traversal; CWE-23. EPSS 100.00%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 23, 2021 · Catalog

    Detected

    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.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Nov 17, 2021 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2021-22005

    VMware vCenter Server contains a file upload vulnerability in the Analytics service that allows a user with network access to port 443 to execute code.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2021-22005

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-22005

    30-day exploitation probability 100.0%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_linux/http/vmware_vcenter_analytics_file_upload

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2021-22005

    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.

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/164439/VMware-vCenter-Server-Analytics-CEIP-Service-File-Upload.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • VulnCheck KEVConfirmed exploitationCVE-2021-22005

    VMware vCenter Server contains a file upload vulnerability in the Analytics service that allows a user with network access to port 443 to execute code.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.