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Vulnerability record · CVE-2021-22006 · published 23 September 2021

CVE-2021-22006: Vmware cloud foundation vulnerability

Vmware · Cloud Foundation

The vCenter Server contains a reverse proxy bypass vulnerability due to the way the endpoints handle the URI. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to access restricted endpoints.

7.5 CVSS 3.1 High EPSS 6.4% · top 6.5%
7.5CVSS 3.1 base score, v2 5.0
6.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

The vCenter Server contains a reverse proxy bypass vulnerability due to the way the endpoints handle the URI. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to access restricted endpoints.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-22006), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.