CVE-2023-38562 HIGH

CVE-2023-38562

Vendor Weston Embedded
Product uC-TCP-IP
Weakness CWE-415
Published February 20, 2024
Last update November 4, 2025

CVSS base score

8.7/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted set of network packets can lead to memory corruption, potentially resulting in code execution. An attacker can send a sequence of unauthenticated packets to trigger this vulnerability.

Key dates

02Disclosure timeline

February 20, 2024 CVE published
November 4, 2025 Record updated