CVE-2025-21477 - Vulnerability Details - OpenCVE

Transient DOS while processing CCCH data when NW sends data with invalid length.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

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 yes

Technical Impact partial

Vendors	Products
Qualcomm	Snapdragon

No data.

No data.

References

Link	Providers
https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.html

History

Thu, 07 Aug 2025 07:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Qualcomm Qualcomm snapdragon
Vendors & Products		Qualcomm Qualcomm snapdragon

Wed, 06 Aug 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 06 Aug 2025 07:45:00 +0000

Type	Values Removed	Values Added
Description		Transient DOS while processing CCCH data when NW sends data with invalid length.
Title		Improper Input Validation in Modem
Weaknesses		CWE-20
References		https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.html
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}`

MITRE

Status: PUBLISHED

Assigner: qualcomm

Published: 2025-08-06T07:25:59.590Z

Updated: 2025-08-06T15:37:42.751Z

Reserved: 2024-12-18T09:50:08.928Z

Link: CVE-2025-21477

Vulnrichment

Updated: 2025-08-06T14:37:35.010Z

NVD

Status : Awaiting Analysis

Published: 2025-08-06T08:15:28.580

Modified: 2025-08-06T20:23:37.600

Link: CVE-2025-21477

Redhat

No data.

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