Known Exploited Vulnerability

CVE-2021-22054

Omnissa Workspace ONE Server-Side Request Forgery

Past federal due date 16 public exploits Added 09 Mar 2026 Due 23 Mar 2026 · 132 days ago
VendorOmnissa
ProductWorkspace One UEM
WeaknessCWE-918
RansomwareNone confirmed

What the flaw is

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.

Description as published by CISA. We have not independently reproduced it.

What CISA requires

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

This deadline is binding on US federal civilian agencies under BOD 22-01. It is not a legal deadline for anyone else, but it is a useful urgency signal — CISA sets it by how actively the flaw is being used, not by CVSS.

Public exploit code

16 public repositories referencing this CVE have been catalogued on GitHub. Treat this as a strong signal to prioritise patching, not as a verified working exploit — many such repositories are scanners, write-ups or forks rather than functional code.

Showing 8 of 16. Full list in the trickest/cve dataset.

Vendor advisories

Primary sources

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Source: CISA KEV catalog · last verified July 31, 2026. Rebuilt automatically twice a day.