CVE-2021-22054

Workspace ONE Server-Side Request Forgery in Omnissa Workspace One UEM. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 9 March 2026.

Product
Omnissa Workspace One UEM
Added to CISA's catalog
Federal fix-by date
Ransomware
No known use in ransomware campaigns

CISA’s description.

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.

Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 4 November 2026.