CVE-2021-22920 — MEDIUM (6.5)

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Citrix	Application Delivery Management	12.1-62.25
Citrix	Gateway	12.1-62.25

Related Weaknesses (CWE)

CWE-284

References

https://support.citrix.com/article/CTX319135Vendor Advisory
https://support.citrix.com/article/CTX319135Vendor Advisory

FAQ

What is CVE-2021-22920?

CVE-2021-22920 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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, 5...

How severe is CVE-2021-22920?

CVE-2021-22920 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-22920?

Check the references section above for vendor advisories and patch information. Affected products include: Citrix Application Delivery Management, Citrix Gateway.