Double Free in Weston Embedded Uc-Tcp-Ip

CVE-2023-38562

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.

Vulnerability class: Double Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (63.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-38562: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-38562?
CVE-2023-38562 is a high-severity vulnerability in Weston Embedded Uc-Tcp-Ip, classified under Double Free. CVSS score: 8.7/10. Published 2024-02-20.
How severe is CVE-2023-38562?
High severity. CVSS v3 base score is 8.7 out of 10.
Is CVE-2023-38562 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.