CVE-2023-20126

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.

SeverityCRITICAL
CVSS9.8
EPSS69.93% EPSS high
CWECWE-306
KEV
Published
Modified

Public Affected Products

Product Advisory Evidence
Cisco Analog Telephone Adaptor (ATA) Software cisco-sa-spa-unauth-upgrade-UqhyTWW Cisco CSAF · structured affected
Cisco Small Business IP Phones cisco-sa-spa-unauth-upgrade-UqhyTWW Cisco CSAF · structured affected