CVE-2020-3161: Cisco IP Phones Web Server Remote Code Execution and Denial of Service Vulnerability
In CISA’s Known Exploited Vulnerabilities catalog: Cisco IP Phones Web Server Remote Code Execution and Denial-of-Service Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
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.
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · CWE-20
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Cisco: Cisco IP phone
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- packetstormsecurity.com/files/157265/Cisco-IP-Phone-11.7-Denial-Of-Service.html (opens in new tab)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voip-phones-rc… (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)