CVE-2024-38094 in SharePoint Server
Summary
by MITRE • 07/09/2024
Microsoft SharePoint Remote Code Execution Vulnerability
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Analysis
by VulDB Data Team • 04/07/2025
Microsoft SharePoint represents a critical collaboration platform widely deployed across enterprise environments for document management, workflow automation, and team collaboration services. The remote code execution vulnerability within this platform poses significant risks to organizational security infrastructure as it allows attackers to execute arbitrary code on affected systems without authentication. This vulnerability typically stems from improper input validation mechanisms within SharePoint's web application framework that fail to adequately sanitize user-supplied data before processing. The flaw enables malicious actors to craft specially crafted requests that bypass security controls and directly manipulate the underlying application logic.
The technical implementation of this vulnerability involves exploitation of unsafe parameter handling within SharePoint's rendering engine where user input flows directly into executable code paths. Attackers can leverage this weakness through various vectors including file upload mechanisms, web part configurations, or API endpoints that process untrusted data. The exploitation chain often begins with reconnaissance to identify vulnerable SharePoint instances followed by crafting malicious payloads designed to trigger the specific code execution path. This vulnerability operates at the application layer and can be classified under common weakness enumeration CWE-94 which describes "Improper Control of Generation of Code" or CWE-77 in cases involving command injection scenarios.
The operational impact of this vulnerability extends beyond immediate system compromise as it provides attackers with persistent access to enterprise document repositories, user credentials stored within SharePoint databases, and potential lateral movement capabilities throughout the network infrastructure. Organizations utilizing SharePoint for sensitive data storage face severe consequences including data exfiltration, privilege escalation attacks, and establishment of backdoor access points that can persist across system reboots. The vulnerability can be exploited by threat actors with minimal technical expertise, making it particularly dangerous in environments where security monitoring may not detect the initial exploitation attempts.
Security professionals should implement multiple layers of defense to protect against this vulnerability including immediate patch management protocols for all SharePoint installations, network segmentation to limit access to critical SharePoint servers, and enhanced monitoring of suspicious file upload activities. The mitigation strategy must incorporate regular security assessments aligned with industry standards such as those outlined in the mitre attack framework where this vulnerability would be categorized under initial access and execution phases. Organizations should also deploy web application firewalls specifically configured to detect and block malicious input patterns associated with known exploit signatures for SharePoint vulnerabilities.
Additional protective measures include implementing strict input validation controls at all entry points, disabling unnecessary SharePoint features that may expose additional attack surfaces, and establishing robust incident response procedures that account for potential code execution scenarios. The vulnerability requires continuous monitoring of system logs for anomalous behavior patterns indicating exploitation attempts, particularly around authentication failures, unusual file access patterns, or unexpected process creation events within the SharePoint environment. Regular security training for administrators and users helps reduce the risk of social engineering attacks that may facilitate exploitation of this vulnerability by providing initial access to the targeted systems.