CVE-2021-22011

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-23 · updated 2026-06-17

Description

vCenter Server contains an unauthenticated API endpoint vulnerability in vCenter Server Content Library. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to perform unauthenticated VM network setting manipulation.

Affected products

VMware Cloud Foundation: from 3.0 before 5.0 — fixed in 5.0
VMware vCenter Server: 6.5, 6.7, 7.0
VMware vCenter Server, VMware Cloud Foundation: VMware vCenter Server(7.x before 7.0.2 U2d, 6.7 before 6.7 U3o and 6.5 before 6.5 U3q) and VMware Cloud Foundation (4.x before 4.3.1 and 3.x before 3.10.2.2)

How to fix

Upgrade to a fixed version: VMware Cloud Foundation 5.0. Check the vendor advisory for mitigations.

References

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