What is the severity of CVE-2021-22891?

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

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.

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.

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.

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.

Vulnerability/
CVE-2021-22891

critical

9.8

CWE

862

27/5/2021

12/8/2021

CVE-2021-22891

First published: Thu 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.

Credit: support@hackerone.com

Affected Software	Affected Version	How to fix
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

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Reference Links

https://support.citrix.com/article/CTX310780

Frequently Asked Questions

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

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