CVE-2017-12304 Cross-site scripting in Cisco IOS and IOS XE

Medium 6.1 Published 16 Nov 2017 Updated 5 Aug 2024

Unauthenticated remote attackers can execute arbitrary scripts or access sensitive data via XSS in the Cisco IOS web management interface.

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

What is CVE-2017-12304?

CVE-2017-12304 is a medium-severity cross-site scripting vulnerability in Cisco Ios, published on 16 Nov 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability in the IOS daemon (IOSd) web-based management interface of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface on an affected device. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the web-based management interface or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCvf60862.

Weakness: CWE-79

Which versions are affected by CVE-2017-12304?

It affects 1 product.

Products include Cisco Ios.

How do I fix CVE-2017-12304?

No fix has been published for CVE-2017-12304 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-2017-12304 being exploited?

There is no known exploitation of CVE-2017-12304 in the wild and no public exploit code.

All Cisco Ios vulnerabilities

Sources

Also known as GHSA-q6jq-9gc7-96p4.