How severe is CVE-2024-42438?

CVE-2024-42438 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-42438 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-42438?

CVE-2024-42438 primarily affects Zoom Meeting Software Development Kit. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-42438?

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

Does CVE-2024-42438 have an EU (EUVD) identifier?

Yes. CVE-2024-42438 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39623.

When was CVE-2024-42438 published?

CVE-2024-42438 was published on 2024-08-14 and last updated on 2026-06-17.

CVE-2024-42438

CVE-2024-42438 is a medium-severity vulnerability in Zoom Meeting Software Development Kit with a CVSS 3.x base score of 6.5. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-39623
Weakness: CWE-787
Affected product: Zoom Meeting Software Development Kit
Published: 2024-08-14
Last modified: 2026-06-17

Description

Buffer overflow in some Zoom Workplace Apps, SDKs, Rooms Clients, and Rooms Controllers may allow an authenticated user to conduct a denial of service via network access.

Frequently asked questions

What is CVE-2024-42438?: Buffer overflow in some Zoom Workplace Apps, SDKs, Rooms Clients, and Rooms Controllers may allow an authenticated user to conduct a denial of service via network access.
How severe is CVE-2024-42438?: CVE-2024-42438 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-42438 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-42438?: CVE-2024-42438 primarily affects Zoom Meeting Software Development Kit. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-42438?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-42438 have an EU (EUVD) identifier?: Yes. CVE-2024-42438 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39623.
When was CVE-2024-42438 published?: CVE-2024-42438 was published on 2024-08-14 and last updated on 2026-06-17.

References

https://www.zoom.com/en/trust/security-bulletin/zsb-24031

Affected products (17)

cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:android:*:*
cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:macos:*:*
cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:windows:*:*
cpe:2.3:a:zoom:rooms:*:*:*:*:*:ipados:*:*
cpe:2.3:a:zoom:rooms:*:*:*:*:*:macos:*:*
cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:*
cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:android:*:*
cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:linux:*:*
cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:macos:*:*
cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:windows:*:*
cpe:2.3:a:zoom:workplace:*:*:*:*:*:android:*:*
cpe:2.3:a:zoom:workplace:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:linux:*:*
cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:macos:*:*
cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:windows:*:*
cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*

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