CVE-2020-3348 Cisco Data Center Network Manager Cross-Site Scripting Vulnerabilities

Medium 4.8 Published Updated

Authenticated attackers can execute arbitrary scripts or access sensitive data via XSS in Cisco DCNM web interface.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-3348?

CVE-2020-3348 is a medium-severity cross-site scripting vulnerability in Cisco Data Center Network Manager, published on 16 Jul 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Multiple vulnerabilities in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface on an affected device. These vulnerabilities are due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit these vulnerabilities by persuading a user of the interface to click a customized 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.

Weakness: CWE-79

Which versions are affected by CVE-2020-3348?

It affects 1 product.

Products include Cisco Data Center Network Manager.

How do I fix CVE-2020-3348?

No fix has been published for CVE-2020-3348 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2020-3348 being exploited?

There is no known exploitation of CVE-2020-3348 in the wild and no public exploit code.

All Cisco Data Center Network Manager vulnerabilities

Sources

Also known as GHSA-4xrc-jppf-j6qq.

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