Vulnerability Intelligence Report
Citrix ShareFile Improper Access Control Vulnerability
CVE-2021-22941
Improper Access Control in Citrix ShareFile storage zones controller before 5.11.20 may allow an unauthenticated attacker to remotely compromise the storage zones controller.
CISA KEV
SSVC: Active Exploitation
Automatable
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:53.59%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-284 ↗Improper Access Control - Generic (CWE-284)
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| citrix | sharefile_storagezones_controller | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | HackerOne · Bug Bounty Provider · USA |
| Reserved | 2021-01-06T00:00:00 |
| Published | 2021-09-23T12:44:31 |
| Last Updated | 2025-10-21T23:25:31 |
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