VULNERABILITY INTELLIGENCE

CVE-2023-20126

CVSS score9.8 CRITICAL
EPSS probability36.68%
CISA KEVNot currently listed
Published2023-05-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

  • psirt@cisco.com: CWE-306
  • nvd@nist.gov: CWE-306

Primary references