CVE-2021-22891
9.8 · CRITICALOverview
CVE-2021-22891 is a critical-severity vulnerability affecting citrix sharefile_storagezones_controller. It was published on May 27, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from citrix. Update sharefile_storagezones_controller to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| citrix | sharefile_storagezones_controller | >= 5.7, < 5.7.3 | Affected |
Frequently Asked Questions
What is CVE-2021-22891?
CVE-2021-22891 is a critical-severity vulnerability affecting citrix sharefile_storagezones_controller. It was published on May 27, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2021-22891?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-22891?
Check the references section for vendor advisories and patches from citrix. Update sharefile_storagezones_controller to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-22891?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-22891 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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