CVE-2021-22891: Critical severity Citrix ShareFile StorageZones Controller vulnerability

Published May 27, 2021
·
Updated

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 Software

5 affected components
Citrix ShareFile StorageZones Controller>=5.7<5.7.3
Citrix ShareFile StorageZones Controller>=5.8<=5.8.3
Citrix ShareFile StorageZones Controller>=5.9<5.9.3
Citrix ShareFile StorageZones Controller>=5.10<5.10.1
Citrix ShareFile StorageZones Controller>=5.11<5.11.18

Event History

May 27, 2021
CVE Published
via MITRE·11:15 AM
Data Sourced
via MITRE·11:15 AM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2021-22891?

The severity of CVE-2021-22891 is critical with a CVSS score of 9.8.

2

What is the affected software for CVE-2021-22891?

The affected software for CVE-2021-22891 is Citrix ShareFile Storage Zones Controller versions 5.7 to 5.11.18.

3

How can an unauthenticated remote compromise the Storage Zones Controller in CVE-2021-22891?

An unauthenticated remote attacker can exploit the vulnerability in CVE-2021-22891 to compromise the Citrix ShareFile Storage Zones Controller.

4

Is there a fix available for CVE-2021-22891?

Yes, Citrix has released fixes for CVE-2021-22891. It is recommended to update to Citrix ShareFile Storage Zones Controller versions 5.7.3, 5.8.3, 5.9.3, 5.10.1, or 5.11.18.

5

Where can I find more information about CVE-2021-22891?

More information about CVE-2021-22891 can be found on the Citrix support website at https://support.citrix.com/article/CTX310780.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203