CVE intelligence and bounded remediation

CVE-2021-21990 — Vmware Workspace One Unified Endpoint Management security vulnerability

Medium CVSS 6.1

VMware Workspace one UEM console (2102 prior to 21.2.0.8, 2101 prior to 21.1.0.14, 2011 prior to 20.11.0.27, 2010 prior to 20.10.0.16,2008 prior to 20.8.0.28, 2007 prior to 20.7.0.14,2006 prior to 20.6.0.19, 2005 prior to 20.5.0.46, 2004 prior to 20.4.0.21, 2003 prior to 20.3.0.23, 2001 prior to 20.1.0.32, 1912 prior to 19.12.0.24) contain a cross-site scripting vulnerability. VMware Workspace ONE UEM console does not validate incoming requests during device enrollment after leading to rendering of unsanitized input on the user device in response.

Severity
Medium
CVSS
6.1 (3.1)
Published
2021-05-11
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-79

Affected products

  • vmware / workspace_one_unified_endpoint_management

Showing 1 representative product identities from 12 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Cross-site scripting and unsafe browser output

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Trace reflected, stored, and DOM-derived untrusted values into HTML, attributes, URLs, styles, scripts, and client-side template sinks.
  • Identify affected origins, authenticated user roles, sensitive browser capabilities, and where content is shared across tenants.
  • Review framework escaping, rich-text sanitization, legacy templates, and client-side rendering paths.

Remediate safely

  • Use context-aware framework output encoding and safe DOM APIs; keep untrusted data out of executable contexts.
  • Sanitize intentionally supported markup with a maintained allowlist policy and validate URLs and attributes separately.
  • Update affected rendering components and add tests for every output context using inert sentinel markup.

Authoritative sources

Complete CVE record and remediation plan

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