How severe is CVE-2023-34120?

CVE-2023-34120 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2023-34120 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34120?

CVE-2023-34120 affects Zoom Virtual Desktop Infrastructure. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34120?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-34120 published?

CVE-2023-34120 was published on 2023-06-13 and last updated on 2026-06-17.

CVE-2023-34120

CVE-2023-34120 is a high-severity vulnerability in Zoom Virtual Desktop Infrastructure with a CVSS 3.x base score of 8.7. 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-347.

Key facts

Severity: High (CVSS 3.x base score 8.7)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Zoom Virtual Desktop Infrastructure
Published: 2023-06-13
Last modified: 2026-06-17

Description

Improper privilege management in Zoom for Windows, Zoom Rooms for Windows, and Zoom VDI for Windows clients before 5.14.0 may allow an authenticated user to potentially enable an escalation of privilege via local access. Users may potentially utilize higher level system privileges maintained by the Zoom client to spawn processes with escalated privileges.

Frequently asked questions

What is CVE-2023-34120?: Improper privilege management in Zoom for Windows, Zoom Rooms for Windows, and Zoom VDI for Windows clients before 5.14.0 may allow an authenticated user to potentially enable an escalation of privilege via local access. Users may potentially utilize higher level system privileges maintained by the Zoom client to spawn processes with escalated privileges.
How severe is CVE-2023-34120?: CVE-2023-34120 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2023-34120 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34120?: CVE-2023-34120 affects Zoom Virtual Desktop Infrastructure. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34120?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-34120 published?: CVE-2023-34120 was published on 2023-06-13 and last updated on 2026-06-17.

References

https://explore.zoom.us/en/trust/security/security-bulletin/

Affected products (1)

cpe:2.3:a:zoom:virtual_desktop_infrastructure:*:*:*:*:*:*:*:*

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