CVE-2020-8467 in Apex One
Summary
by MITRE
A migration tool component of Trend Micro Apex One (2019) and OfficeScan XG contains a vulnerability which could allow remote attackers to execute arbitrary code on affected installations (RCE). An attempted attack requires user authentication.
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Analysis
by VulDB Data Team • 07/29/2025
The vulnerability identified as CVE-2020-8467 resides within the migration tool component of Trend Micro Apex One version 2019 and OfficeScan XG products, representing a critical remote code execution flaw that adversaries could exploit to gain unauthorized control over affected systems. This vulnerability specifically targets the migration tool functionality that facilitates the transition of configurations and data between different versions of the security suite, creating an attack surface that extends beyond the typical endpoint protection boundaries. The flaw manifests in the improper handling of user inputs within the migration process, where insufficient validation allows malicious payloads to be executed with the privileges of the migrating user account. The vulnerability is particularly concerning because it operates within a legitimate administrative tool that would normally be trusted by system administrators, making detection and prevention more challenging.
The technical implementation of this vulnerability stems from inadequate input sanitization and validation mechanisms within the migration tool's processing pipeline. When the migration tool processes configuration data or user inputs during the transition process, it fails to properly validate or sanitize the incoming data, creating opportunities for attackers to inject malicious code that gets executed during the migration procedure. This flaw aligns with common software security weaknesses categorized under CWE-74, which addresses "Improper Neutralization of Special Elements in Output Used by a Downstream Component," and CWE-94, which covers "Improper Control of Generation of Code ('Code Injection')." The vulnerability requires user authentication to be exploited, meaning that an attacker must first obtain valid credentials to initiate the attack, but once authenticated, the malicious code execution occurs with the privileges of the authenticated user account.
The operational impact of CVE-2020-8467 extends beyond simple code execution, as successful exploitation could enable attackers to escalate privileges, establish persistence mechanisms, and move laterally within the network environment. The migration tool component typically runs with elevated privileges during the configuration transition process, providing attackers with a potential pathway to gain administrative access to the affected systems. This vulnerability particularly affects organizations that utilize Trend Micro Apex One or OfficeScan XG for endpoint protection, as these products are commonly deployed in enterprise environments where administrative access is frequently required for system maintenance and configuration updates. The attack vector leverages legitimate administrative functions, making it difficult to distinguish from normal system behavior and increasing the risk of undetected compromise. Organizations with multiple endpoints running these vulnerable versions face significant exposure, especially if their security practices do not include strict access controls or monitoring of administrative tool usage.
Mitigation strategies for CVE-2020-8467 should prioritize immediate patching of affected systems with the vendor-provided security updates that address the input validation flaws within the migration tool component. Organizations should implement strict access controls and monitoring of administrative tools to detect unauthorized usage patterns that might indicate exploitation attempts. The vulnerability's requirement for user authentication means that implementing strong authentication controls, including multi-factor authentication and privilege management, can significantly reduce the attack surface. Security teams should also consider network segmentation and monitoring of communication between endpoints and management servers to detect anomalous behavior during migration processes. According to ATT&CK framework, this vulnerability maps to techniques such as T1059.001 for command and script interpreter execution, and T1078 for valid accounts, as attackers would leverage legitimate user credentials to exploit the migration tool. Regular security assessments and vulnerability scanning should include specific checks for this vulnerability in the Trend Micro product suite, with particular attention to the migration tool components that are enabled in production environments. Organizations should also review their incident response procedures to ensure readiness for potential exploitation of this vulnerability, as the attack chain typically involves initial credential compromise followed by privilege escalation through the migration tool functionality.