CVE-2020-3161
Cisco IP Phones Web Server Remote Code Execution and Denial of Service Vulnerability
- State
- Published
- Severity
- 9.8 Critical
- Published
- Apr 15, 2020
- Updated
- Oct 21, 2025
- Reserved
- Dec 12, 2019
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 9.8 Critical | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | cisco |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Cisco IP phoneCisco |
|
References
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