CVE-2025-21205 - Vulnerability Details - OpenCVE

Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21205

History

Tue, 08 Apr 2025 21:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 08 Apr 2025 17:30:00 +0000

Type	Values Removed	Values Added
Description		Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.
Title		Windows Telephony Service Remote Code Execution Vulnerability
Weaknesses		CWE-122
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21205
Metrics		cvssV3_1 `{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2025-04-08T17:23:37.392Z

Updated: 2025-04-30T17:14:01.169Z

Reserved: 2024-12-05T21:43:30.768Z

Link: CVE-2025-21205

Vulnrichment

Updated: 2025-04-08T20:05:00.646Z

NVD

Status : Awaiting Analysis

Published: 2025-04-08T18:15:45.513

Modified: 2025-04-09T20:03:01.577

Link: CVE-2025-21205

Redhat

No data.

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