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CVE-2024-34026

CRITICALCVSS 9.8/10EPSS 2.40%

Last modified

CVE-2024-34026 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 2.40% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
2.40%

81.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpenplcprojectOpenplc V3 Firmware2024-04-04

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.
How severe is CVE-2024-34026?
CVE-2024-34026 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.40% probability of exploitation in the next 30 days.
How do I fix CVE-2024-34026?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-34026?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST