Paper/Archive/CVE-2020-3161

CVE-2020-3161

Cisco Cisco IP phone — Cisco IP Phones Web Server Remote Code Execution and Denial of Service Vulnerability

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Cisco IP phonen/a–CNA

Scores by source

cisco (CNA)9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: active · Automatable: yes · Technical impact: total

References

advisorytools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voip-phones-rce-dos-rB6EeRXsrefpacketstormsecurity.com/files/157265/Cisco-IP-Phone-11.7-Denial-Of-Service.htmlrefcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3161kevcisa.gov/known-exploited-vulnerabilities-catalog