CVE-2021-22009: VMware Cloud Foundation

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

The vCenter Server contains multiple denial-of-service vulnerabilities in VAPI (vCenter API) service. A malicious actor with network access to port 443 on vCenter Server may exploit these issues to create a denial of service condition due to excessive memory consumption by VAPI service.

Affected products

  • VMware Cloud Foundation: from 3.0, before 5.0 (fixed in 5.0)
  • VMware vCenter Server: version 6.7 only; version 7.0 only

Published 2021-09-23. Last modified 2026-06-17.