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medium·Product Based Web Vulnerabilities·Updated Dec 16, 2023

CVE-2020-8191 Scanner

CVE-2020-8191 scanner - Cross-Site Scripting (XSS) vulnerability in Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP

Est. Time~30 seconds
Scan TypeSingle Scan
Targetsurl
CostFree
2.9k
Times Used
continuous scan runs
4.7k
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
CVECVE-2020-8191
6.1
CVSS

Improper input validation in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 allows reflected Cross Site Scripting (XSS).

Attack Vector
-
Privileges Req.
-
User Interaction
-
Affected
Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OPby n/a
Citrix ADC and Citrix Gateway 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP 11.1.1a, 11.0.3d and 10.2.7
Updated Aug 21, 2026View on NVD →
Detail

Citrix ADC, Citrix Gateway, and Citrix SDWAN WAN-OP are software-based products that are widely used for application delivery, network security, and optimization purposes. Citrix ADC and Citrix Gateway are highly popular among small and large businesses, and provide secure access to enterprise applications and endpoints from anywhere, at any time, and on any device. On the other hand, Citrix SDWAN WAN-OP is an innovative software solution that can significantly enhance the performance of data and voice applications over the WAN, while ensuring a high degree of security.

Recently, a critical vulnerability has been detected in these products, which has been assigned the CVE-2020-8191 code. This vulnerability is related to improper input validation, and it can be exploited to launch a reflective Cross-Site Scripting (XSS) attack. An attacker can use the XSS technique to trick users into executing arbitrary scripts within a vulnerable web application, which can result in compromised systems, data theft, and even the complete takeover of the application.

When exploited, this vulnerability can lead to the infiltration of attackers into corporate networks, data breaches, and significant financial and reputational losses. Hackers can use this flaw to hijack sensitive information through the manipulated code, ultimately compromising the organization’s security posture.

In conclusion, it's vital for organizations to stay updated and informed about vulnerabilities like CVE-2020-8191, as they present a real threat to digital assets. The s4e.io platform can help organizations effectively manage their digital assets and quickly become aware of critical vulnerabilities, which strengthens their overall security posture. Stay safe and secure with the s4e.io platform.

 

REFERENCES

Solution Advice

Organizations can take various steps to protect against this vulnerability, including:

  • Immediately updating Citrix ADC, Citrix Gateway, and Citrix SDWAN WAN-OP to the latest version that includes the relevant patches.
  • Implementing proper security and risk management policies that follow best practices and preventing any unauthorized access.
  • Installing and configuring a Web Application Firewall (WAF) to remove malicious traffic and block attacks before they reach the target system.
  • Continuously monitoring web applications, endpoints, and networks using security and network monitoring solutions to ensure that attackers are not trying to exploit the vulnerability.

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CVE-2020-8191 scanner - Cross-Site Scripting (XSS) vulnerability in Citrix ADC, Citrix Gateway, Citrix SDWAN WAN-OP | S4E