CVE-2021-22920

MEDIUM

Citrix ADC/Gateway/SD-WAN - Phishing

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.citrix.com/article/CTX319135

Scores

CVSS v3 6.5
EPSS 0.0026
EPSS Percentile 49.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-284
Status published
Products (4)
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
Published Aug 05, 2021
Tracked Since Feb 18, 2026