CVE-2023-38562
CVSS v3
9.1
CRITICAL
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2024-02-20
Frequently asked questions
What is 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.
Is CVE-2023-38562 actively exploited?
Active exploitation of CVE-2023-38562 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-38562?
CVE-2023-38562 has a CVSS v3 base score of 9.1 (CRITICAL severity).
Is CVE-2023-38562 affecting your environment?
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