CVE-2021-22018

Severity: medium (CVSS 6.5 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

The vCenter Server contains an arbitrary file deletion vulnerability in a VMware vSphere Life-cycle Manager plug-in. A malicious actor with network access to port 9087 on vCenter Server may exploit this issue to delete non critical files.

Affected products

VMware Cloud Foundation: from 4.0 before 4.3.1 — fixed in 4.3.1
VMware vCenter Server: 7.0
VMware vCenter Server, VMware Cloud Foundation: VMware vCenter Server 7.x before 7.0.2 U2d and VMware Cloud Foundation 4.x before 4.3.1

How to fix

Upgrade to a fixed version: VMware Cloud Foundation 4.3.1. Check the vendor advisory for mitigations.

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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