CVE-2024-39590

HIGH
7.5
CVSS Score
Published: September 18, 2024 at 02:35 PM UTC
Updated: June 17, 2026 at 07:42 AM UTC
3 products affected across 2 vendorsOpenplc V3 FirmwareOpenPLC_v3OpenPLC_v3

Using OpenPLC_v3 by OpenPLC?

Get instant alerts when new vulnerabilities affect OpenPLC_v3 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
PoC

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_Write_Reply` function

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a2024-5-28
16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHtalos
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-704

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card