CVE-2024-4454 in Elements Endpoint Protection
Summary
by MITRE • 05/22/2024
WithSecure Elements Endpoint Protection Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of WithSecure Elements Endpoint Protection. User interaction on the part of an administrator is required to exploit this vulnerability.
The specific flaw exists within the WithSecure plugin hosting service. By creating a symbolic link, an attacker can abuse the service to create a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-23035.
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Analysis
by VulDB Data Team • 08/14/2025
The CVE-2024-4454 vulnerability represents a critical local privilege escalation flaw within WithSecure Elements Endpoint Protection software, specifically targeting the plugin hosting service component. This vulnerability operates under the auspices of CWE-59: Improper Link Following During Dynamic Link Loading, which classifies it as a path traversal and symbolic link manipulation issue. The flaw allows attackers to exploit the way the system handles symbolic links within its plugin hosting architecture, creating a dangerous condition where arbitrary file creation becomes possible through legitimate system processes. The vulnerability requires user interaction from an administrator to exploit, indicating that it likely involves a scenario where an administrator performs a specific action that triggers the vulnerable code path. This makes the attack vector more realistic in enterprise environments where administrative privileges are commonly used.
The technical exploitation mechanism relies on the manipulation of symbolic links within the plugin hosting service, which is a core component of the endpoint protection system. When the service processes plugin installations or updates, it fails to properly validate or sanitize symbolic link paths, allowing an attacker to create malicious symbolic links that point to sensitive system files or directories. This creates a condition where the service, operating with elevated privileges, inadvertently follows the attacker-controlled symbolic link and performs operations on files that the attacker did not intend to be modified. The vulnerability is particularly dangerous because it can be exploited to escalate privileges to SYSTEM level, which represents the highest privilege level in Windows operating systems and provides complete control over the target system. The exploitation process typically involves creating a carefully crafted symbolic link that, when followed by the vulnerable service, results in arbitrary code execution with system-level privileges.
The operational impact of CVE-2024-4454 extends beyond simple privilege escalation, as it fundamentally compromises the integrity and security of endpoint protection systems. Once an attacker achieves SYSTEM-level access through this vulnerability, they can bypass all endpoint protection mechanisms, including antivirus scanning, firewall rules, and application control policies that are designed to prevent malicious activities. This creates a persistent backdoor within the organization's security infrastructure, allowing attackers to maintain long-term access while remaining undetected by traditional security controls. The vulnerability's exploitation requires administrator interaction, but this does not diminish its severity since administrators are often targeted in supply chain attacks or social engineering campaigns where they may unknowingly trigger the exploit. The attack scenario typically involves an attacker gaining initial access to a system, then leveraging this vulnerability to achieve privilege escalation and establish a foothold that can be used for lateral movement throughout the network.
Organizations should implement immediate mitigations including restricting the ability of non-privileged users to interact with the plugin hosting service, monitoring for suspicious symbolic link creation activities, and applying vendor-provided patches as soon as they become available. The vulnerability aligns with ATT&CK technique T1068: Exploitation for Privilege Escalation, specifically targeting the exploitation of software vulnerabilities to gain elevated privileges. Security teams should also consider implementing process monitoring and integrity checking mechanisms to detect unauthorized symbolic link creation and file modification activities. Regular security assessments should include verification of plugin hosting service configurations and validation of symbolic link handling within endpoint protection software. The vulnerability demonstrates the importance of proper input validation and path resolution in security-critical applications, emphasizing that even well-established endpoint protection systems can contain critical flaws that undermine their effectiveness. Organizations should also consider implementing additional layers of defense, such as application whitelisting and mandatory access controls, to protect against exploitation of similar vulnerabilities in other security software components.