CVE-2023-38562

Name: CVE-2023-38562
Creator: NVD / NIST
Published: 2024-02-20T15:15:08.02+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 1.08%

Last modified Jun 17, 2026

CVE-2023-38562 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

1.08%

60.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-415

Affected Software

Vendor	Product	Versions
Weston-Embedded	Uc-Tcp-Ip	3.06.01

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1829

Timeline

Published: Feb 20, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-38562?

How severe is CVE-2023-38562?

CVE-2023-38562 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.

How do I fix CVE-2023-38562?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-38562?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST