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Sharefile Storagezones Controller CVE-2021-22891

CRITICAL
Missing Authorization (CWE-862)
2021-05-27 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

1
CVE Published
May 27, 2021 - 12:15 nvd
CRITICAL 9.8

DescriptionNVD

A missing authorization vulnerability exists in Citrix ShareFile Storage Zones Controller before 5.7.3, 5.8.3, 5.9.3, 5.10.1 and 5.11.18 may allow unauthenticated remote compromise of the Storage Zones Controller.

AnalysisAI

A missing authorization vulnerability exists in Citrix ShareFile Storage Zones Controller before 5.7.3, 5.8.3, 5.9.3, 5.10.1 and 5.11.18 may allow unauthenticated remote compromise of the Storage. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. A missing authorization vulnerability exists in Citrix ShareFile Storage Zones Controller before 5.7.3, 5.8.3, 5.9.3, 5.10.1 and 5.11.18 may allow unauthenticated remote compromise of the Storage Zones Controller. Affected products include: Citrix Sharefile Storagezones Controller. Version information: before 5.7.3.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.

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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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Citrix ShareFile StorageZones Controller before 5.4.2 allows Directory Traversal. Rated low severity (CVSS 3.1), this vu

Same weakness CWE-862 – Missing Authorization

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Same technique Authentication Bypass

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CVE-2021-22891 vulnerability details – vuln.today
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