Zoom Workplace up to 6.4.4 on Windows buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Zoom Workplace, Workplace VDI, Rooms, Rooms Controller and Meeting SDK up to 6.4.4 on Windows. The impacted element is an unknown function. This manipulation causes buffer overflow. This vulnerability is handled as CVE-2025-46789. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Zoom Workplace, Workplace VDI, Rooms, Rooms Controller and Meeting SDK up to 6.4.4 on Windows. It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect availability. The summary by CVE is:

Classic buffer overflow in certain Zoom Clients for Windows may allow an authorized user to conduct a denial of service via network access.

The advisory is shared at zoom.com. This vulnerability is known as CVE-2025-46789 since 04/29/2025. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/23/2025).

Upgrading to version 6.4.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-21011). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

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

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Workplace/Workplace VDI/Rooms/Rooms Controller/Meeting SDK 6.4.5

Timelineinfo

04/29/2025 CVE reserved
07/08/2025 +70 days Advisory disclosed
07/08/2025 +0 days VulDB entry created
08/23/2025 +46 days VulDB entry last update

Sourcesinfo

Advisory: zoom.com
Status: Confirmed

CVE: CVE-2025-46789 (🔒)
GCVE (CVE): GCVE-0-2025-46789
GCVE (VulDB): GCVE-100-315421
EUVD: 🔒

Entryinfo

Created: 07/08/2025 18:20
Updated: 08/23/2025 04:33
Changes: 07/08/2025 18:20 (53), 07/11/2025 00:38 (1), 08/23/2025 04:33 (13)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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