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

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Zoom
  • Zoom

Configuration 1 [-]

cpe:2.3:a:zoom:zoom:*:*:*:*:*:windows:*:*

No data.

References
Link Providers
https://https://www.zoom.com/en/trust/security-bulletin/zsb-25028/ cve-icon cve-icon
History

Tue, 05 Aug 2025 14:00:00 +0000

Type Values Removed Values Added
First Time appeared Zoom
Zoom zoom
CPEs cpe:2.3:a:zoom:zoom:*:*:*:*:*:windows:*:*
Vendors & Products Zoom
Zoom zoom

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00039}

 epss

{'score': 0.00044}

Fri, 11 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00039}

Thu, 10 Jul 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 10 Jul 2025 17:00:00 +0000

Type Values Removed Values Added
Description Improper authentication in certain Zoom Clients for macOS before version 6.4.5 may allow an unauthenticated user to conduct an impact to application integrity via network access. Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.
Title Zoom Clients for macOS - Improper Authentication Zoom Clients for Windows- Classic Buffer Overflow
Weaknesses CWE-287 CWE-120
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

 cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Thu, 10 Jul 2025 16:45:00 +0000

Type Values Removed Values Added
Description Improper authentication in certain Zoom Clients for macOS before version 6.4.5 may allow an unauthenticated user to conduct an impact to application integrity via network access.
Title Zoom Clients for macOS - Improper Authentication
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: Zoom

Published:

Updated: 2025-07-10T18:01:56.630Z

Reserved: 2025-06-04T22:48:18.921Z

Link: CVE-2025-49464

cve-icon Vulnrichment

Updated: 2025-07-10T18:01:48.280Z

cve-icon NVD

Status : Analyzed

Published: 2025-07-10T17:15:47.897

Modified: 2025-08-05T13:50:34.327

Link: CVE-2025-49464

cve-icon Redhat

No data.