CVE-2019-12702 Cisco SPA100 Series Analog Telephone Adapters Reflected Cross-Site Scripting Vulnerability

Medium 5.4 Published Updated

Authenticated attackers can execute arbitrary scripts or access sensitive data via reflected XSS in the Cisco SPA100 web interface.

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

What is CVE-2019-12702?

CVE-2019-12702 is a medium-severity cross-site scripting vulnerability in Cisco SPA112 2-Port Phone Adapter, published on 16 Oct 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A vulnerability in the web-based management interface of Cisco SPA100 Series Analog Telephone Adapters (ATAs) could allow an authenticated, remote attacker to conduct cross-site scripting attacks. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected software. 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 affected interface or access sensitive, browser-based information.

Weakness: CWE-79

Which versions are affected by CVE-2019-12702?

It affects 2 products.

Products include Cisco Spa112 Firmware, Cisco Spa122 Firmware.

How do I fix CVE-2019-12702?

No fix has been published for CVE-2019-12702 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-2019-12702 being exploited?

There is no known exploitation of CVE-2019-12702 in the wild and no public exploit code.

Sources

Also known as GHSA-254q-r25r-fwm9.

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