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Sharefile Storagezones Controller CVE-2021-22941

CRITICAL
Improper Access Control (CWE-284)
2021-09-23 support@hackerone.com
Citrix Authentication Bypass Sharefile Storagezones Controller
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Added to CISA KEV
Jul 14, 2026 - 04:22 CISA
CVE Published
Sep 23, 2021 - 13:15 nvd
CRITICAL 9.8

DescriptionNVD

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.

AnalysisAI

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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. 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. Affected products include: Citrix Sharefile Storagezones Controller. Version information: before 5.11.20.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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An unauthenticated arbitrary file read issue exists in all versions of Citrix ShareFile StorageZones (aka storage zones)
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An issue has been identified in the CTX269106 mitigation tool for Citrix ShareFile storage zones controller which causes
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Citrix ShareFile StorageZones Controller before 5.4.2 has Information Exposure Through an Error Message. Rated medium se
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Citrix ShareFile StorageZones Controller before 5.4.2 allows Directory Traversal. Rated low severity (CVSS 3.1), this vu

Same weakness CWE-284 – Improper Access Control

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CVE-2014-3120 HIGH POC
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CVE-2025-12480 CRITICAL POC
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Same technique Authentication Bypass

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CVE-2023-22515 CRITICAL POC
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CVE-2012-4681 CRITICAL POC
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CVE-2013-2465 CRITICAL POC
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CVE-2011-3544 CRITICAL POC
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CVE-2012-1723 CRITICAL POC
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CVE-2017-10271 HIGH POC
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CVE-2015-1427 CRITICAL POC
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CVE-2025-3248 CRITICAL POC
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CVE-2021-22941 vulnerability details – vuln.today
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