CVE-2020-3590: Cisco SD-WAN vManage Software 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. 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-vmanxss1-XhJCymBt
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Reference Links
Frequently Asked Questions
What is CVE-2020-3590?
CVE-2020-3590 is a vulnerability in the web-based management interface of the Cisco SD-WAN vManage Software that could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user.
How does CVE-2020-3590 impact Cisco SD-WAN vManage Software?
CVE-2020-3590 could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user through the web-based management interface of Cisco SD-WAN vManage Software.
What is the severity of CVE-2020-3590?
The severity of CVE-2020-3590 is medium with a CVSS score of 6.4.
Which versions of Cisco SD-WAN vManage Software are affected by CVE-2020-3590?
Versions 20.3.1 and earlier of Cisco Catalyst SD-WAN Manager, as well as versions 20.1.12 and earlier of Cisco SD-WAN vManage, are affected by CVE-2020-3590.
How can I fix CVE-2020-3590?
To fix CVE-2020-3590, users should upgrade to a fixed software release as mentioned in the Cisco Security Advisory.
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- version/cisco sd-wan vmanage/20.1.12