Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability
CVE-2024-49113

7.5HIGH

Key Information:

Vendor: Microsoft
Status: Windows 10 Version 1809; Windows Server 2019; Windows Server 2019 (server Core Installation); Windows Server 2022
Vendor: CVE Published:; 12 December 2024

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What is CVE-2024-49113?

CVE-2024-49113 is a vulnerability associated with the Windows Lightweight Directory Access Protocol (LDAP), a key component in managing identity and access within Windows environments. This vulnerability can lead to a denial of service condition, disrupting the availability of critical services that rely on LDAP for authentication and directory information. Such disruptions could have significant operational impacts, hindering business processes and leading to potential financial losses for organizations that depend on these services for daily operations.

Technical Details

The vulnerability arises from specific implementation flaws within the LDAP service provided by Windows. This may allow an attacker to trigger a denial of service scenario by exploiting these vulnerabilities, thereby preventing legitimate users from accessing critical directory services. Technical assessments indicate that successful exploitation could involve sending specially crafted requests to the LDAP service, causing it to become unresponsive or crash.

Potential Impact of CVE-2024-49113

Service Disruption: Organizations facing exploitation of this vulnerability may experience extensive downtime of their LDAP services, affecting authentication processes and access to necessary resources.
Operational Inefficiencies: With LDAP services being a backbone for user and resource management, any denial of service could lead to broader operational challenges, impacting employees’ ability to perform their jobs and causing delays in key functions.
Financial Losses: Extended service outages and operational inefficiencies can translate into significant financial losses for businesses, particularly in environments where uptime is critical for revenue-generating activities and customer service.