CVE-2024-36845

MEDIUM
Published May 31, 2024 Modified Nov 3, 2025 CWE-400

Description

An invalid pointer in the modbus_receive() function of libmodbus v3.1.6 allows attackers to cause a Denial of Service (DoS) via a crafted message sent to the unit-test-server.

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CVSS v3.1 Score

4.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

Affected Products

Vendor Product
libmodbus libmodbus

References

Frequently Asked Questions

What is CVE-2024-36845? +
An invalid pointer in the modbus_receive() function of libmodbus v3.1.6 allows attackers to cause a Denial of Service (DoS) via a crafted message sent to the unit-test-server. It has a CVSS v3.1 base score of 4.3 (MEDIUM).
How severe is CVE-2024-36845? +
CVE-2024-36845 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-36845? +
CVE-2024-36845 affects products from libmodbus, specifically: libmodbus. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-36845? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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