What is CVE-2021-22920?

CVE-2021-22920 is a vulnerability discovered in Citrix ADC, Citrix Gateway, and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO.

What is the severity of CVE-2021-22920?

The severity of CVE-2021-22920 is medium, with a CVSS score of 6.5.

What can happen if CVE-2021-22920 is exploited?

If CVE-2021-22920 is exploited, it could lead to a phishing attack through a malicious link.

Which software versions are affected by CVE-2021-22920?

CVE-2021-22920 affects Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway) versions 12.1-62.25 and 13.0-82.42, as well as Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO.

How can I fix CVE-2021-22920?

To fix CVE-2021-22920, it is recommended to update to the latest available versions of Citrix ADC, Citrix Gateway, and Citrix SD-WAN WANOP Edition.

Vulnerability/
CVE-2021-22920

medium

6.5

CWE

284

5/8/2021

13/8/2021

CVE-2021-22920

First published: Thu Aug 05 2021(Updated: )

A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to a phishing attack through a SAML authentication hijack to steal a valid user session.

Credit: support@hackerone.com

Affected Software	Affected Version	How to fix
Citrix Application Delivery Management	=12.1-62.25
Citrix Application Delivery Management	=13.0-82.42
Citrix Gateway	=12.1-62.25
Citrix Gateway	=13.0-82.42

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Reference Links

https://support.citrix.com/article/CTX319135

Frequently Asked Questions

What is CVE-2021-22920?
CVE-2021-22920 is a vulnerability discovered in Citrix ADC, Citrix Gateway, and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO.
What is the severity of CVE-2021-22920?
The severity of CVE-2021-22920 is medium, with a CVSS score of 6.5.
What can happen if CVE-2021-22920 is exploited?
If CVE-2021-22920 is exploited, it could lead to a phishing attack through a malicious link.
Which software versions are affected by CVE-2021-22920?
CVE-2021-22920 affects Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway) versions 12.1-62.25 and 13.0-82.42, as well as Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO.
How can I fix CVE-2021-22920?
To fix CVE-2021-22920, it is recommended to update to the latest available versions of Citrix ADC, Citrix Gateway, and Citrix SD-WAN WANOP Edition.

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agent/author
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agent/description
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agent/first-publish-date
agent/softwarecombine
agent/last-modified-date
vendor/citrix
canonical/citrix application delivery management
version/citrix application delivery management/12.1-62.25
version/citrix application delivery management/13.0-82.42
canonical/citrix gateway
version/citrix gateway/12.1-62.25
version/citrix gateway/13.0-82.42

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