CVE-2020-3161

CRITICAL KEV

Cisco IP Phones - RCE/DoS

Title source: llm

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.

Exploits (2)

exploitdb WORKING POC
by Jacob Baines · textdoshardware
https://www.exploit-db.com/exploits/48342
nomisec WORKING POC
by abood05972 · dos
https://github.com/abood05972/CVE-2020-3161

Scores

CVSS v3 9.8
EPSS 0.8709
EPSS Percentile 99.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CISA KEV 2021-11-03
VulnCheck KEV 2021-11-03
InTheWild.io 2021-07-23
ENISA EUVD EUVD-2020-24432
CWE
CWE-20
Status published
Products (31)
cisco/8831_firmware 10.3\(1\)es14
cisco/8831_firmware 11.0\(1\)
cisco/8831_firmware 11.0\(5\)sr1
cisco/ip_phone_7811_firmware 11.0\(1\)
cisco/ip_phone_7821_firmware 11.0\(1\)
cisco/ip_phone_7841_firmware 11.0\(1\)
cisco/ip_phone_7861_firmware 11.0\(1\)
cisco/ip_phone_8811_firmware 10.3\(1\)es14
cisco/ip_phone_8811_firmware 11.0\(1\)
cisco/ip_phone_8811_firmware 11.0\(5\)sr1
... and 21 more
Published Apr 15, 2020
KEV Added Nov 03, 2021
Tracked Since Feb 18, 2026