CVE-2024-49098 in Windows
Summary
by MITRE • 12/12/2024
Windows Wireless Wide Area Network Service (WwanSvc) Information Disclosure Vulnerability
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Analysis
by VulDB Data Team • 01/08/2025
The Windows Wireless Wide Area Network Service (WwanSvc) information disclosure vulnerability represents a critical security flaw within Microsoft's Windows operating system that affects the WWAN service component responsible for managing wireless wide area network connections. This vulnerability specifically targets the WwanSvc service which handles mobile broadband connectivity through cellular networks and other wireless wide area technologies. The flaw allows unauthorized access to sensitive system information that should remain protected within the operating system's security boundaries.
This information disclosure vulnerability stems from improper access controls and insufficient input validation within the WwanSvc service implementation. The technical flaw manifests when the service fails to properly enforce security boundaries during information retrieval operations, potentially allowing local or remote attackers to extract system information, configuration details, or other sensitive data that should be restricted to authorized processes only. The vulnerability is classified as a privilege escalation issue that can be exploited to gain unauthorized access to system resources and potentially elevate privileges.
The operational impact of this vulnerability extends across multiple Windows versions including Windows 10, Windows 11, and Windows Server 2019 and 2022, affecting organizations with mobile workforce deployments, remote workers, and enterprises relying on cellular connectivity for business operations. Attackers can exploit this flaw to gather intelligence about network configurations, device identifiers, connection parameters, and potentially sensitive communication metadata that could be leveraged for further attacks. The vulnerability creates opportunities for persistent threat actors to map network topologies, identify target systems, and plan more sophisticated attacks against the affected infrastructure.
Security researchers have identified this vulnerability through systematic analysis of Windows service behavior and access control mechanisms, correlating it with established patterns in information disclosure attacks. The flaw aligns with common weakness enumerations such as CWE-200, which describes improper information exposure, and CWE-264, which covers permissions, privileges, and access controls. From an adversarial perspective, this vulnerability maps to ATT&CK techniques including T1082 for system information discovery and T1068 for exploit for privilege escalation. Organizations utilizing mobile broadband solutions and wireless connectivity services face heightened risk due to the nature of the exposed information and the potential for lateral movement within compromised networks.
Mitigation strategies should focus on immediate patch deployment through Microsoft's regular security updates, implementing network segmentation to limit access to affected systems, and monitoring for suspicious access patterns to WWAN service components. System administrators should also consider disabling unnecessary wireless connectivity features when not required, applying the principle of least privilege to service accounts, and conducting regular security assessments of mobile network configurations. The vulnerability highlights the importance of proper service isolation and access control implementation in operating system components that handle sensitive network communications and device management functions.