CVE-2024-34026 — CRITICAL (9.0)

Vulnerability Description

A stack-based buffer overflow vulnerability exists in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC _v3 b4702061dc14d1024856f71b4543298d77007b88. A specially crafted EtherNet/IP request can lead to remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.

CVSS Score

9.0

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Openplcproject	Openplc V3 Firmware	2024-04-04

Related Weaknesses (CWE)

CWE-121 CWE-787

References

https://talosintelligence.com/vulnerability_reports/TALOS-2024-2005ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2005

FAQ

What is CVE-2024-34026?

CVE-2024-34026 is a vulnerability with a CVSS score of 9.0 (CRITICAL). A stack-based buffer overflow vulnerability exists in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC _v3 b4702061dc14d1024856f71b4543298d77007b88. A specially crafted EtherNet/IP requ...

How severe is CVE-2024-34026?

CVE-2024-34026 has been rated CRITICAL with a CVSS base score of 9.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2024-34026?

Check the references section above for vendor advisories and patch information. Affected products include: Openplcproject Openplc V3 Firmware.