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CVE-2023-38562

Weston-embedded Uc-tcp-ip double free

8.7 HIGHPublic exploitEPSS 1.08%
  1. Published20 Feb 2024

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityNone
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H

Affected products

Weston-embedded Uc-tcp-ip3.06.01

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2023-38562 being actively exploited?

CVE-2023-38562 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.08%.

How severe is CVE-2023-38562?

CVE-2023-38562 has a CVSS 3.1 base score of 8.7, rated high. EPSS estimates a 1.08% probability of exploitation.

Which products are affected by CVE-2023-38562?

Affected products include Weston-embedded Uc-tcp-ip.

How do I fix CVE-2023-38562?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-38562 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.