CVE-2024-36980 - CVE House
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Status published High CVE-2024-36980

An out-of-bounds read vulnerability exists in the OpenPLC Runtime EtherNet/IP...

Vulnerability Description

An out-of-bounds read vulnerability exists in the OpenPLC Runtime EtherNet/IP PCCC parser functionality of OpenPLC_v3 b4702061dc14d1024856f71b4543298d77007b88. A specially crafted network request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.This is the first instance of the incorrect comparison.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Discovered by Jared Rittle of Cisco Talos.

Affected Vendor

Affected Software

OpenPLC_v3
Vulnerable Versions:
b4702061dc14d1024856f71b4543298d77007b88

Timeline

Official Publish: September 18th, 2024
Last Modified: November 4th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)