VDB-308587 · CVE-2025-30665 · GCVE-0-2025-30665

Zoom Workplace Desktop App up to 6.3.x on Windows null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Zoom Workplace Desktop App, Workplace VDI Client, Rooms Controller, Rooms Client and Meeting SDK up to 6.3.x on Windows. This issue affects some unknown processing. This manipulation causes null pointer dereference. This vulnerability is tracked as CVE-2025-30665. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Zoom Workplace Desktop App, Workplace VDI Client, Rooms Controller, Rooms Client and Meeting SDK up to 6.3.x on Windows and classified as problematic. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

NULL pointer dereference in some Zoom Workplace Apps for Windows may allow an authenticated user to conduct a denial of service via network access.

It is possible to read the advisory at zoom.com. This vulnerability is known as CVE-2025-30665 since 03/24/2025. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 6.4.0 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Zoom

Name

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Workplace Desktop App/Workplace VDI Client/Rooms Controller/Rooms Client/Meeting SDK 6.4.0

Timelineinfo

03/24/2025 🔍
05/13/2025 +49 days 🔍
05/13/2025 +0 days 🔍
08/05/2025 +84 days 🔍

Sourcesinfo

Advisory: zoom.com
Status: Confirmed

CVE: CVE-2025-30665 (🔍)
GCVE (CVE): GCVE-0-2025-30665
GCVE (VulDB): GCVE-100-308587

Entryinfo

Created: 05/13/2025 11:32
Updated: 08/05/2025 16:35
Changes: 05/13/2025 11:32 (53), 08/05/2025 16:35 (13)
Complete: 🔍
Cache ID: 216::103