CVE-2021-22005

VMware vCenter Server, VMware Cloud Foundation

Published 23 Sept 2021 · updated 17 Jun 2026 · Analyzed

9.8 Critical · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 17 Nov 2021 for US federal agencies. It has been used in ransomware campaigns.

Required action: Apply updates per vendor instructions.

Description

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.

References

packetstormsecurity.com/files/164439/VMware-vCenter-Server-Analytics-CEIP-Service-File-Upload.html · Exploit, Third Party Advisory, VDB Entry
www.vmware.com/security/advisories/VMSA-2021-0020.html · Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22005 · US Government Resource