CVE-2023-20126 CRITICAL

CVE-2023-20126: Cisco SPA112 2-Port Phone Adapters Remote Command Execution Vulnerability

Vendor Cisco
Product Cisco Small Business IP Phones
Weakness CWE-306 · Missing auth
Published May 4, 2023
Last update October 28, 2024

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A vulnerability in the web-based management interface of Cisco SPA112 2-Port Phone Adapters could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to a missing authentication process within the firmware upgrade function. An attacker could exploit this vulnerability by upgrading an affected device to a crafted version of firmware. A successful exploit could allow the attacker to execute arbitrary code on the affected device with full privileges. Cisco has not released firmware updates to address this vulnerability.

Key dates

02Disclosure timeline

May 4, 2023 CVE published
October 28, 2024 Record updated