How severe is CVE-2024-6638?

CVE-2024-6638 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-6638 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-6638?

CVE-2024-6638 primarily affects Ni Labview. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-6638?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-6638 have an EU (EUVD) identifier?

Yes. CVE-2024-6638 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-47697.

When was CVE-2024-6638 published?

CVE-2024-6638 was published on 2024-07-22 and last updated on 2026-06-17.

CVE-2024-6638

CVE-2024-6638 is a medium-severity vulnerability in Ni Labview with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-47697
Weakness: CWE-190
Affected product: Ni Labview
Published: 2024-07-22
Last modified: 2026-06-17

Description

An integer overflow vulnerability due to improper input validation when reading TDMS files in LabVIEW may result in an infinite loop. Successful exploitation requires an attacker to provide a user with a specially crafted TDMS file. This vulnerability affects LabVIEW 2024 Q1 and prior versions.

Frequently asked questions

What is CVE-2024-6638?: An integer overflow vulnerability due to improper input validation when reading TDMS files in LabVIEW may result in an infinite loop. Successful exploitation requires an attacker to provide a user with a specially crafted TDMS file. This vulnerability affects LabVIEW 2024 Q1 and prior versions.
How severe is CVE-2024-6638?: CVE-2024-6638 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-6638 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-6638?: CVE-2024-6638 primarily affects Ni Labview. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-6638?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-6638 have an EU (EUVD) identifier?: Yes. CVE-2024-6638 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-47697.
When was CVE-2024-6638 published?: CVE-2024-6638 was published on 2024-07-22 and last updated on 2026-06-17.

References

https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/integer-overflow-vulnerability-reading-tdms-files-in-labview.html

Affected products (13)

cpe:2.3:a:ni:labview:*:*:*:*:*:*:*:*
cpe:2.3:a:ni:labview:2022:q1:*:*:*:*:*:*
cpe:2.3:a:ni:labview:2022:q3:*:*:*:*:*:*
cpe:2.3:a:ni:labview:2022:q3_patch1:*:*:*:*:*:*
cpe:2.3:a:ni:labview:2022:q3_patch2:*:*:*:*:*:*
cpe:2.3:a:ni:labview:2023:q1:*:*:*:*:*:*
cpe:2.3:a:ni:labview:2023:q3:*:*:*:*:*:*
cpe:2.3:a:ni:labview:2023:q3_patch1:*:*:*:*:*:*
cpe:2.3:a:ni:labview:2023:q3_patch2:*:*:*:*:*:*
cpe:2.3:a:ni:labview:2023:q3_patch3:*:*:*:*:*:*
cpe:2.3:a:ni:labview:2023:q3_patch4:*:*:*:*:*:*
cpe:2.3:a:ni:labview:2024:q1:*:*:*:*:*:*
cpe:2.3:a:ni:labview:2024:q1_patch1:*:*:*:*:*:*

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