CVE-2023-39203

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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.

El consumo incontrolado de recursos en Zoom Team Chat para Zoom Desktop Client para Windows y Zoom VDI Client puede permitir que un usuario no autenticado realice una divulgación de información a través del acceso a la red.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-07-25 CVE Reserved
2023-11-14 CVE Published
2024-09-27 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption
CWE-789: Memory Allocation with Excessive Size Value

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://explore.zoom.us/en/trust/security/security-bulletin	2023-11-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Zoom Search vendor "Zoom"		Virtual Desktop Infrastructure Search vendor "Zoom" for product "Virtual Desktop Infrastructure"				< 5.14.13 Search vendor "Zoom" for product "Virtual Desktop Infrastructure" and version " < 5.14.13"		-		Affected
Zoom Search vendor "Zoom"		Virtual Desktop Infrastructure Search vendor "Zoom" for product "Virtual Desktop Infrastructure"				>= 5.15.0 < 5.15.11 Search vendor "Zoom" for product "Virtual Desktop Infrastructure" and version " >= 5.15.0 < 5.15.11"		-		Affected
Zoom Search vendor "Zoom"		Zoom Search vendor "Zoom" for product "Zoom"				< 5.16.0 Search vendor "Zoom" for product "Zoom" and version " < 5.16.0"		windows		Affected