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Vulnerability record · CVE-2021-22002 · published 31 August 2021

CVE-2021-22002: Vmware identity manager improper authentication vulnerability

Vmware · Identity Manager

VMware Workspace ONE Access and Identity Manager, allow the /cfg web app and diagnostic endpoints, on port 8443, to be accessed via port 443 using a custom host header. A malicious actor with network access to port 443 could tamper with host headers to facilitate access to the /cfg web app, in addition a malicious actor could access /cfg diagnostic endpoints without authentication.

9.8 CVSS 3.1 Critical EPSS 1.2% · top 32.9% CWE-287 · Improper authentication
9.8CVSS 3.1 base score, v2 7.5
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

VMware Workspace ONE Access and Identity Manager, allow the /cfg web app and diagnostic endpoints, on port 8443, to be accessed via port 443 using a custom host header. A malicious actor with network access to port 443 could tamper with host headers to facilitate access to the /cfg web app, in addition a malicious actor could access /cfg diagnostic endpoints without authentication.

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

Affected products

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

References

LinkTags
https://www.vmware.com/security/advisories/VMSA-2021-0016.html PatchVendor Advisory
https://www.vmware.com/security/advisories/VMSA-2021-0016.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-2021-22002), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.