Risk Letters

Exploited vulnerability

CVE-2021-22054

TLP:CLEAR

Omnissa Workspace ONE Server-Side Request Forgery

Omnissa Workspace One UEM formerly known as VMware Workspace One UEM contains a server-side request forgery (SSRF) vulnerability that could allow a malicious actor with network access to UEM to send their requests without authentication and to gain access to sensitive information.

Facts

  • Vendor: Omnissa
  • Product: Workspace One UEM
  • CVSS: 7.5
  • EPSS (probability of exploitation within 30 days): 99.7 %
  • On CISA's Known Exploited Vulnerabilities list since: 9 March 2026
  • First known exploitation: 9 March 2026
  • CISA's deadline for US federal agencies: 23 March 2026
  • Weakness: CWE-918
  • First seen by Risk Letters: 20 March 2026

Members see which Nordic sectors the flaw hits, and what to do about it.

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD