CVE-2017-12343 Cross-site scripting in Cisco Data Center Network Manager Software

High 8.8 Published 30 Nov 2017 Updated 5 Aug 2024

Remote attackers can inject malicious scripts or redirect users in Cisco Data Center Network Manager, potentially compromising client sessions.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-12343?

CVE-2017-12343 is a high-severity cross-site scripting vulnerability in Cisco Data Center Network Manager, published on 30 Nov 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Multiple vulnerabilities in Cisco Data Center Network Manager (DCNM) Software could allow a remote attacker to inject arbitrary values into DCNM configuration parameters, redirect a user to a malicious website, inject malicious content into a DCNM client interface, or conduct a cross-site scripting (XSS) attack against a user of the affected software. Cisco Bug IDs: CSCvf40477, CSCvf63150, CSCvf68218, CSCvf68235, CSCvf68247.

Weakness: CWE-79

Which versions are affected by CVE-2017-12343?

It affects 1 product.

Products include Cisco Data Center Network Manager.

How do I fix CVE-2017-12343?

No fix has been published for CVE-2017-12343 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-2017-12343 being exploited?

There is no known exploitation of CVE-2017-12343 in the wild and no public exploit code.

All Cisco Data Center Network Manager vulnerabilities

Sources

Also known as GHSA-jrjr-mwx4-f9v2.