CVE-2021-22019: VMware Cloud Foundation

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

The vCenter Server contains a denial-of-service vulnerability in VAPI (vCenter API) service. A malicious actor with network access to port 5480 on vCenter Server may exploit this issue by sending a specially crafted jsonrpc message to create a denial of service condition.

Affected products

• VMware Cloud Foundation: from 3.0, before 3.10.2.2 (fixed in 3.10.2.2); from 4.0, before 4.3 (fixed in 4.3)
• VMware vCenter Server: version 6.5 only; version 6.7 only; version 7.0 only

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