9.8 Critique Exploitée

CVE-2020-3161 Cisco IP Phones Web Server Remote Code Execution and Denial-of-Service Vulnerability

Exploitation active constatée

· catalogue CISA KEV

Action attendue Apply updates per vendor instructions.

Campagnes de rançongiciel Non constatée à ce jour

Faiblesse CWE-20

Description

A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of an affected IP phone, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web server of a targeted device. A successful exploit could allow the attacker to remotely execute code with root privileges or cause a reload of an affected IP phone, resulting in a DoS condition.