Cisco Bug: CSCvs78272 - CVE-2020-3161: Cisco IP Phones Web Server Remote Code Execution and Denial of Service Vulnerability
May 14, 2020
- Cisco IP Phone 8800 Series
- Cisco Wireless IP Phone 8821-EX
- Cisco Wireless IP Phone 8821
Known Affected Releases
Symptom: 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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voip-phones-rce-dos-rB6EeRXs Conditions: Please refer to the Security Advisory.
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Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
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