Vulnerability · Published Sep 18, 2024 · Assigned by talos

CVE-2024-39590

High 7.5

In plain English

A high-severity security flaw in OpenPLC_v3 from OpenPLC. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.0%top 36.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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 products (as reported)

VendorProductVersions
OpenPLC OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a

Weakness: CWE-704 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References