#VU29584 Cross-site scripting in Citrix products - CVE-2020-8191
Vulnerability identifier: #VU29584
Vulnerability risk: Low
CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear]
CVE-ID: CVE-2020-8191
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Citrix Netscaler ADC
Client/Desktop applications /
Software for system administration
Citrix NetScaler Gateway
Server applications /
Application servers
SD-WAN 5100 WANOP
Hardware solutions /
Other hardware appliances
SD-WAN 5000 WANOP
Hardware solutions /
Other hardware appliances
SD-WAN 4100 WANOP
Hardware solutions /
Other hardware appliances
SD-WAN 4000 WANOP
Hardware solutions /
Other hardware appliances
Vendor: Citrix
Description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Citrix Netscaler ADC: 10.5 Build 67.10/67.13 - 12.1
Citrix NetScaler Gateway: 10.0 - 13.0.47.24
SD-WAN 5100 WANOP: 10.2.3 - 11.2.0
SD-WAN 5000 WANOP: 10.2.3 - 11.2.0
SD-WAN 4100 WANOP: 10.2.3 - 11.2.0
SD-WAN 4000 WANOP: 10.2.3 - 11.2.0
External links
https://support.citrix.com/article/CTX276688
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
