EUVD-2025-21022
2025-07-10
[email protected]
6.5
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Lifecycle Timeline
3
EUVD ID Assigned
Mar 16, 2026 - 06:52 euvd
EUVD-2025-21022
Analysis Generated
Mar 16, 2026 - 06:52 vuln.today
CVE Published
Jul 10, 2025 - 17:15 nvd
MEDIUM 6.5
Description
Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.
Analysis
Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.
Technical Context
A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state. This vulnerability is classified as Classic Buffer Overflow (CWE-120).
Affected Products
Affected products: Zoom Zoom
Remediation
Use memory-safe languages or bounds-checked functions. Enable ASLR, DEP/NX, and stack canaries. Apply vendor patches promptly.
Priority Score
33
Low
Medium
High
Critical
KEV: 0
EPSS: +0.1
CVSS: +32
POC: 0
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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