What is CVE-2024-34026?

CVE-2024-34026 is a critical-severity vulnerability in Openplc Openplc_v3, classified under Stack-based Buffer Overflow. CVSS score: 9.0/10. Published 2024-09-18.

How severe is CVE-2024-34026?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Is CVE-2024-34026 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Openplc Openplc_v3

CVE-2024-34026

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…

Vulnerability class: Buffer Overflow

EPSS: 0.087 (92.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Openplc Openplc_v3 — versions b4702061dc14d1024856f71b4543298d77007b88

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

LBartolini/DVI

References

https://talosintelligence.com/vulnerability_reports/TALOS-2024-2005

Frequently asked questions

What is CVE-2024-34026?: CVE-2024-34026 is a critical-severity vulnerability in Openplc Openplc_v3, classified under Stack-based Buffer Overflow. CVSS score: 9.0/10. Published 2024-09-18.
How severe is CVE-2024-34026?: Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2024-34026 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.