Skip to content
CVE Tracker
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
Back

CVE-2021-22009

The vCenter Server contains multiple denial-of-service vulnerabilities in VAPI (vCenter API) service. A malicious actor with network…

High7.5EPSS 1.4%
Published
Updated
Reserved
Assigned by
vmware

Description

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.

Scores

CVSS scores of CVE-2021-22009, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
1.4% · top 27% of all CVEs (7 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

Affected products

  • VMware vCenter Server, VMware Cloud Foundation

    • affected VMware vCenter Server(7.x before 7.0 U2c, 6.7 before 6.7 U3o and 6.5 before 6.5 U3q) and VMware Cloud Foundation (4.x before 4.3 and 3.x before 3.10.2.2)

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2021-22009 badge
[![CVE-2021-22009](https://trackcve.app/badge/CVE-2021-22009.svg)](https://trackcve.app/cve/CVE-2021-22009)

Record last updated .