CVE-2024-39589

HIGH EPSS 59.1%

Published Sep 18, 20241y ago · Modified Jun 17, 20261w ago

7.5 CVSS 3.1

High

Published Sep 18, 2024 1y ago

Last Modified Jun 17, 2026 1w ago

Description

Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a. A specially crafted EtherNet/IP request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger these vulnerabilities.This instance of the vulnerability occurs within the `Protected_Logical_Read_Reply` function

CVSS Details

Base Score

7.5

Exploitability

3.9

Impact

3.6

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality None

Integrity None

Availability High

Threat Intelligence

EPSS Exploit Probability

59.1% percentile

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 1

CWE-704

Affected Products 1

Vendor	Product	Version	Range
openplcproject	openplc_v3_firmware	2024-05-28	any

References 2

talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2024-2016

ExploitThird Party Advisory
talosintelligence.com https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2016

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.