PatchSiren cyber security CVE debrief

CVE-2024-4081 National Instruments CVE debrief

CVE-2024-4081 is a memory corruption vulnerability in National Instruments LabVIEW, published by CISA on July 23, 2024. The flaw allows a local attacker to disclose information or execute arbitrary code when a user opens a malicious VI (Virtual Instrument) file. The vulnerability is rated HIGH severity with a CVSS 3.1 score of 7.8, reflecting significant impact to confidentiality, integrity, and availability. Affected versions are LabVIEW 24.1f0 and earlier. National Instruments has released security updates to address this issue. User interaction is required for exploitation, making social engineering or malicious file distribution the likely attack vectors. Organizations using LabVIEW in industrial control or test and measurement environments should prioritize patching and implement controls to restrict untrusted VI file execution.

Vendor: National Instruments
Product: LabVIEW
CVSS: HIGH 7.8
CISA KEV: Not listed in stored evidence
Original CVE published: 2024-07-23
Original CVE updated: 2024-07-23
Advisory published: 2024-07-23
Advisory updated: 2024-07-23

Who should care

Organizations using National Instruments LabVIEW for test, measurement, and industrial automation applications; engineering teams in manufacturing, aerospace, automotive, and research environments; security teams responsible for OT/ICS software supply chain risk management; and administrators of LabVIEW deployments with external file exchange workflows.

Technical summary

CVE-2024-4081 is a memory corruption vulnerability in National Instruments LabVIEW affecting versions 24.1f0 and earlier. The flaw stems from improper bounds checking when processing VI files, enabling out-of-bounds read conditions. Exploitation requires local access and user interaction—the target must open a maliciously crafted VI file. Successful exploitation can result in information disclosure or arbitrary code execution with the privileges of the LabVIEW process. The vulnerability is classified as HIGH severity (CVSS 3.1: 7.8) due to impacts on confidentiality, integrity, and availability. National Instruments has released patches addressing the underlying memory corruption and improper length check issues.

Defensive priority

HIGH

Recommended defensive actions

Apply National Instruments security updates for LabVIEW to address memory corruption vulnerabilities in versions 24.1f0 and earlier
Restrict execution of untrusted VI files through application whitelisting and user training
Implement network segmentation for LabVIEW installations in industrial control environments
Monitor for suspicious VI file access or unexpected LabVIEW process behavior
Review and apply CISA ICS recommended practices for defense-in-depth strategies

Evidence notes

CVE published 2024-07-23; CISA ICS advisory ICSA-24-205-03 issued same date. CVSS 3.1 vector AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H confirms local attack vector with user interaction required. Affected product confirmed as National Instruments LabVIEW <=24.1f0 per CSAF product tree. Vendor remediations provided via NI security advisories.

Official resources

2024-07-23