Is CVE-2021-22002 actively exploited?

No active exploitation of CVE-2021-22002 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-22002 be exploited remotely?

Yes. CVE-2021-22002 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-22002?

CVE-2021-22002 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-22002

CRITICAL

CVE-2021-22002

CWE-287Published: August 31, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2021-22002 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.