Cyber Resilience

CVE-2023-39213

Critical

Published: 08 August 2023

Published
08 August 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0116 79.0th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-39213 is a critical-severity Improper Handling of Unicode Encoding (CWE-176) vulnerability in Zoom Virtual Desktop Infrastructure. Its CVSS base score is 9.6 (Critical).

Operationally, ranked in the top 21.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Improper neutralization of special elements in Zoom Desktop Client for Windows and Zoom VDI Client before 5.15.2 may allow an unauthenticated user to enable an escalation of privilege via network access.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

zoom
virtual desktop infrastructure
≤ 5.15.2
zoom
zoom
≤ 5.15.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-74

Developer assessments and testing (including injection-focused techniques) identify improper neutralization of special elements, and the verifiable flaw remediation corrects them pre-deployment.

addresses: CWE-74

Identifies indicators of injection attacks (command, SQL, LDAP, etc.) via anomaly and attack monitoring.

References