CVE-2023-38562

critical

Description

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.

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1829

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829

Details

Source: Mitre, NVD

Published: 2024-02-20

Updated: 2025-11-04

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.1

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

Severity: Critical

EPSS

EPSS: 0.00968