Zoom Workplace up to 6.3.x 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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4.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Zoom Workplace, Workplace VDI, Rooms, Rooms Controller and Meeting SDK up to 6.3.x on Windows. The affected element is an unknown function. The manipulation results in buffer overflow. This vulnerability is known as CVE-2025-49465. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Zoom Workplace, Workplace VDI, Rooms, Rooms Controller and Meeting SDK up to 6.3.x on Windows. It has been classified as critical. Affected is an unknown function. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability.

The advisory is shared for download at zoom.com. This vulnerability is traded as CVE-2025-49465. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/16/2025).

The vulnerability scanner Nessus provides a plugin with the ID 242122 (Zoom Workplace VDI < 6.3.10 Vulnerability (ZSB-25028)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.4.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (242122). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

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

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
Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 242122
Nessus Name: Zoom Workplace VDI < 6.3.10 Vulnerability (ZSB-25028)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Workplace/Workplace VDI/Rooms/Rooms Controller/Meeting SDK 6.4.0

Timelineinfo

07/08/2025 Advisory disclosed
07/08/2025 +0 days VulDB entry created
07/16/2025 +8 days VulDB entry last update

Sourcesinfo

Advisory: zoom.com
Status: Confirmed

CVE: CVE-2025-49465 (🔒)
GCVE (CVE): GCVE-0-2025-49465
GCVE (VulDB): GCVE-100-315420

Entryinfo

Created: 07/08/2025 18:19
Updated: 07/16/2025 02:09
Changes: 07/08/2025 18:19 (53), 07/10/2025 07:49 (2), 07/16/2025 02:09 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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