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CVE-2021-22054: Omnissa Workspace ONE Server-Side Request Forgery

criticalknown exploitedpublic exploitCVE-2021-22054
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: VMwareproduct: Workspace ONE UEMServer-side request forgery
What
The vulnerability allows a malicious actor to send requests without authentication and access sensitive information.
Who is affected
Network-accessible deployments of Workspace ONE UEM are affected.
Urgency
Immediate remediation is necessary as the vulnerability is actively exploited and classified as critical.
Action
Apply the latest security patches for Workspace ONE UEM.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2026-03-09
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-22054

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-22054coverage & exploitation statusNVD · CVE.org

Recent advisories for Omnissa Workspace ONE

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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