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CVE-2021-22920 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://support.citrix.com/article/CTX319135	CVE	Vendor Advisory
https://support.citrix.com/article/CTX319135	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]
CWE-284	Improper Access Control	[email protected]

Affected Products

Product	Versions
citrix application delivery management	12.1-62.25 13.0-82.42
CPE cpe:2.3:a:citrix:application_delivery_management:12.1-62.25:::::::* cpe:2.3:a:citrix:application_delivery_management:13.0-82.42:::::::* Remediation No remediation found in references.
citrix gateway	12.1-62.25 13.0-82.42
CPE cpe:2.3:a:citrix:gateway:12.1-62.25:::::::* cpe:2.3:a:citrix:gateway:13.0-82.42:::::::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 13, 2021	Initial Analysis	[email protected]