Missing Authentication for Critical Function in SPA112 2-Port Phone Adapter - CVE-2023-20126
Published: May 3, 2023 / Updated: December 19, 2024
Vulnerability identifier: #VU75708
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Red
CVE-ID: CVE-2023-20126
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Cisco Systems, Inc
Affected software:
SPA112 2-Port Phone Adapter
SPA112 2-Port Phone Adapter
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the affected device.
The vulnerability exists due to missing authentication within the firmware upgrade function. A remote attacker can upgrade the affected device with a specially crafted firmware and gain full control over it.
How to mitigate CVE-2023-20126
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.