Historical catalog analysis: CISA added this entry on March 09, 2026. The entry reflects catalog information retrieved on August 31, 2026, not a snapshot archived on the inclusion date. Check current vendor guidance before acting.
What the vulnerability is
CVE-2021-22054 is a Server-Side Request Forgery (SSRF) vulnerability identified in Omnissa Workspace One UEM (previously known as VMware Workspace One UEM). This flaw allows a malicious actor who has network access to the UEM environment to send unauthenticated requests. The primary risk associated with this vulnerability is the potential for an attacker to gain unauthorized access to sensitive information.
Exposure and applicability
This vulnerability is applicable to healthcare providers, health plans, and business associates utilizing Omnissa Workspace One UEM for endpoint management. In a clinical environment, UEM platforms often manage a wide array of devices that may handle electronic Protected Health Information (ePHI). Because the vulnerability allows unauthenticated requests from within the network, it poses a risk to the confidentiality of data stored or processed by the management server.
Security leaders and clinical engineering teams should determine if their current deployment of Workspace One UEM is subject to this flaw. The impact is particularly relevant for organizations that rely on centralized device management to maintain HIPAA Security Rule risk management standards across distributed medical endpoints.
Remediation priorities
Based on our analysis, the following actions are prioritized to reduce the likelihood of exploitation:
- Apply Vendor Mitigations: The primary priority is to implement the mitigations provided by Omnissa. This addresses the root vulnerability in the software logic that allows unauthenticated SSRF requests.
- Responsible Role: Systems Administrator / Security Engineer.
- Network Segmentation: To limit potential damage, organizations should ensure that the UEM management interface is not unnecessarily exposed to broad internal network segments. Restricting network access to only authorized administrative hosts could reduce the number of actors capable of sending the malicious requests.
- Responsible Role: Network Architect / Security Engineer.
- Review Access Logs: While not a preventative measure, reviewing logs for unusual unauthenticated requests directed at the UEM server may help in detecting attempted exploitation.
- Responsible Role: SOC Analyst / Security Monitor.
How to validate remediation
To verify that exposure has been reduced, organizations should perform the following:
- Version Verification: Confirm that the installed version of Workspace One UEM matches the patched or mitigated versions specified in the vendor’s security advisory.
- Access Control Audit: Validate that network-level access controls (such as ACLs or firewalls) are correctly restricting traffic to the UEM server, ensuring only authorized management traffic is permitted.
Note: Version checks alone do not guarantee total security, as they do not account for configuration errors or other vulnerabilities.
Limits and open questions
It remains unknown whether this vulnerability has been utilized in active ransomware campaigns. Additionally, while CISA has established a due date for federal agencies to remediate this flaw, this date is a federal requirement and does not constitute a legal mandate for private healthcare entities, though it serves as a critical indicator of risk urgency.
Residual risk remains if the product is used in an environment where network segmentation is absent, as any actor with internal network access could potentially attempt to exploit the vulnerability if patches are not applied.
Source and editorial note
CVE-2021-22054: Omnissa Workspace ONE Server-Side Request Forgery · Source date: March 09, 2026 · Retrieved August 31, 2026.
Material facts are tied to the cited primary source. Recommendations are independent defensive analysis unless attributed to the source. Confirm consequential decisions against current authoritative guidance.
Archive date: March 12, 2026. The displayed post date is assigned three days after the source date to organize this retrospective archive; it does not mean this site published the analysis then. First published by this site: September 16, 2026 at 01:07 UTC.
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