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.
This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Cisco IP Phones Web Server Remote Code Execution and Denial-of-Service Vulnerability
Cisco Cisco IP Phones
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11/3/2021
https://nvd.nist.gov/vuln/detail/CVE-2020-3161
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
This vulnerability has a 83.86% probability of being exploited in the next 30 days, ranking higher than 100% of all scored CVEs.
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