Home/CVE/A missing authorization vulnerability exists in Citrix ShareFile Storage Zones Controller before 5.7.3, 5.8.3, 5.9.3, 5.
CVE

CVE-2021-22891

A missing authorization vulnerability exists in Citrix ShareFile Storage Zones Controller before 5.7.3, 5.8.3, 5.9.3, 5.

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.

CRITICAL · CVSS 9.8 EPSS 0.00507
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-862Missing Authorization
CWE-862Missing Authorization
▤

Affected Products & Versions

5
citrix sharefile storagezones controller>= 5.7 and < 5.7.3
citrix sharefile storagezones controller>= 5.8 and <= 5.8.3
citrix sharefile storagezones controller>= 5.9 and < 5.9.3
citrix sharefile storagezones controller>= 5.10 and < 5.10.1
citrix sharefile storagezones controller>= 5.11 and < 5.11.18
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 May 2021 · 12:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.citrix.com/article/CTX310780PatchVendor Advisory
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