Web-based Management Interface Vulnerability in Cisco SPA500 Series Analog Telephone Adapters

CVE-2023-20218

Summary

A vulnerability exists in the web-based management interface of Cisco SPA500 Series Analog Telephone Adapters that allows an authenticated remote attacker to manipulate web pages viewed in users' browsers. This issue arises from the inadequate validation of user-supplied input, which can be exploited if the attacker tricks a user into clicking a specially crafted link. Successful exploitation can lead to redirection of users to harmful websites or pave the way for additional client-side attacks. Notably, Cisco will not provide software updates to remediate this vulnerability.

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