CVE-2021-22009

7.5 highEPSS 1.4%

High (7.5) in vmware. 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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
CWE: CWE-668
Published: 2021-09-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

vmware:cloud_foundation
vmware:vcenter_server

References

https://www.vmware.com/security/advisories/VMSA-2021-0020.html
https://www.vmware.com/security/advisories/VMSA-2021-0020.html

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