CVE-2020-3591: Cisco SD-WAN vManage Cross-Site Scripting Vulnerability
First published: Fri Nov 06 2020(Updated: )
A vulnerability in the web-based management interface of the Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. The vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information.
Credit: ykramarz@cisco.com ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Catalyst SD-WAN Manager | =20.3.1 | |
| Cisco SD-WAN vManage | <=20.1.12 |
Remedy
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanxsshi-9KHEqRpM
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Reference Links
Frequently Asked Questions
What is CVE-2020-3591?
CVE-2020-3591 is a vulnerability in the web-based management interface of the Cisco SD-WAN vManage Software that allows an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface.
What is the severity of CVE-2020-3591?
CVE-2020-3591 has a severity value of 4.3, which is considered medium.
Which software versions are affected by CVE-2020-3591?
CVE-2020-3591 affects Cisco Catalyst SD-WAN Manager version 20.3.1 and Cisco SD-WAN vManage version up to and including 20.1.12.
How can an attacker exploit CVE-2020-3591?
An attacker can exploit CVE-2020-3591 by leveraging the vulnerability in the web-based management interface to launch a cross-site scripting (XSS) attack against a user.
Is there a fix for CVE-2020-3591?
Yes, Cisco has released a security advisory with information on how to mitigate the vulnerability. Please refer to the provided reference link for more details.
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