What is CVE-2020-3523?

CVE-2020-3523 is a vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) Software that allows an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack.

What is the severity of CVE-2020-3523?

The severity of CVE-2020-3523 is medium with a CVSS score of 5.4.

How does CVE-2020-3523 affect Cisco Data Center Network Manager (DCNM) Software?

CVE-2020-3523 affects Cisco Data Center Network Manager (DCNM) Software through its web-based management interface.

How can an attacker exploit CVE-2020-3523?

An attacker can exploit CVE-2020-3523 by conducting a cross-site scripting (XSS) attack against a user of the web-based management interface.

Is there a fix for CVE-2020-3523?

Yes, Cisco has released a security advisory that includes software updates to address CVE-2020-3523.

Vulnerability/
CVE-2020-3523

medium

6.5

CWE

26/8/2020

13/11/2024

CVE-2020-3523: Cisco Data Center Network Manager Cross-Site Scripting Vulnerability

First published: Wed Aug 26 2020(Updated: )

A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) 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

Affected Software	Affected Version	How to fix
Cisco Data Center Network Manager	<11.4\(1\)

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Reference Links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-xss-5TdMJRB3

Frequently Asked Questions

What is CVE-2020-3523?
CVE-2020-3523 is a vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) Software that allows an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack.
What is the severity of CVE-2020-3523?
The severity of CVE-2020-3523 is medium with a CVSS score of 5.4.
How does CVE-2020-3523 affect Cisco Data Center Network Manager (DCNM) Software?
CVE-2020-3523 affects Cisco Data Center Network Manager (DCNM) Software through its web-based management interface.
How can an attacker exploit CVE-2020-3523?
An attacker can exploit CVE-2020-3523 by conducting a cross-site scripting (XSS) attack against a user of the web-based management interface.
Is there a fix for CVE-2020-3523?
Yes, Cisco has released a security advisory that includes software updates to address CVE-2020-3523.

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