CVE-2021-22941

9.8 CRITICAL CISA KEV - Actively Exploited

Published: September 23, 2021 Modified: November 03, 2025

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://support.citrix.com/article/CTX328123

Source: support@hackerone.com

Broken Link Vendor Advisory

https://support.citrix.com/article/CTX328123

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22941

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

88.5%

99th percentile

Exploitation Status

Actively Exploited

Remediation due: 2022-04-15

Weaknesses (CWE)

CWE-284

Affected Vendors

citrix

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