How severe is CVE-2023-38562?

CVE-2023-38562 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2023-38562 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38562?

CVE-2023-38562 affects Weston-embedded Uc-tcp-ip. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38562?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-38562 have an EU (EUVD) identifier?

Yes. CVE-2023-38562 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-42361.

When was CVE-2023-38562 published?

CVE-2023-38562 was published on 2024-02-20 and last updated on 2026-06-17.

CVE-2023-38562

CVE-2023-38562 is a high-severity vulnerability in Weston-embedded Uc-tcp-ip with a CVSS 3.x base score of 8.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-415.

Key facts

Severity: High (CVSS 3.x base score 8.7)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-42361
Weakness: CWE-415
Affected product: Weston-embedded Uc-tcp-ip
Published: 2024-02-20
Last modified: 2026-06-17

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.

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.
How severe is CVE-2023-38562?: CVE-2023-38562 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2023-38562 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38562?: CVE-2023-38562 affects Weston-embedded Uc-tcp-ip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38562?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-38562 have an EU (EUVD) identifier?: Yes. CVE-2023-38562 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-42361.
When was CVE-2023-38562 published?: CVE-2023-38562 was published on 2024-02-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:weston-embedded:uc-tcp-ip:3.06.01:*:*:*:*:*:*:*

More vulnerabilities in Weston-embedded Uc-tcp-ip

CVE-2023-39541 — Medium (CVSS 5.9): A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP…
CVE-2023-39540 — Medium (CVSS 5.9): A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP…

All CVEs affecting Weston-embedded Uc-tcp-ip →

Other CWE-415 (Double Free) vulnerabilities

CVE-2018-0101 — Critical (CVSS 10.0): A vulnerability in the Secure Sockets Layer (SSL) VPN functionality of the Cisco Adaptive Security Appliance (ASA)…
CVE-2026-8925 — Critical (CVSS 9.8): The curl logic that works with SASL authentication could end up cleaning up the GSASL context *twice* without clearing…
CVE-2020-37239 — Critical (CVSS 9.8): libbabl 0.1.62 contains a broken double free detection vulnerability that allows attackers to bypass memory safety…
CVE-2026-43414 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Completely fix fcport double…
CVE-2026-43011 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix potential double free of skb When…
CVE-2026-31609 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in…

Browse all CWE-415 (Double Free) vulnerabilities →