Home/CVE/Uncontrolled resource consumption in Zoom Team Chat for Zoom Desktop Client for Windows and Zoom VDI Client may allow an
CVE

CVE-2023-39203

Uncontrolled resource consumption in Zoom Team Chat for Zoom Desktop Client for Windows and Zoom VDI Client may allow an

Uncontrolled resource consumption in Zoom Team Chat for Zoom Desktop Client for Windows and Zoom VDI Client may allow an unauthenticated user to conduct a disclosure of information via network access.

MEDIUM · CVSS 4.3 EPSS 0.00167
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-789Memory Allocation with Excessive Size Value
▤

Affected Products & Versions

3
zoom virtual desktop infrastructure< 5.14.13
zoom virtual desktop infrastructure>= 5.15.0 and < 5.15.11
zoom< 5.16.0
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · security@zoom.us
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Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Nov 2023 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://explore.zoom.us/en/trust/security/security-bulletin/Vendor Advisory
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