CVE-2022-45797 in Apex One
Summary
by MITRE • 12/12/2022
An arbitrary file deletion vulnerability in the Damage Cleanup Engine component of Trend Micro Apex One and Trend Micro Apex One as a Service could allow a local attacker to escalate privileges and delete files on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
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Analysis
by VulDB Data Team • 04/25/2025
The vulnerability identified as CVE-2022-45797 represents a critical arbitrary file deletion flaw within the Damage Cleanup Engine component of Trend Micro Apex One and its cloud-based service variant Apex One as a Service. This weakness resides in the security software's file handling mechanisms and specifically affects systems where Trend Micro's endpoint protection solution is installed. The vulnerability operates at a fundamental level within the software's architecture, creating an opportunity for malicious actors to manipulate file system operations in unintended ways. The flaw manifests when the system processes cleanup operations related to damage assessment and remediation activities, where improper validation of file paths and deletion operations allows for unauthorized file removal.
The technical implementation of this vulnerability stems from inadequate input validation and privilege escalation mechanisms within the Damage Cleanup Engine module. When processing certain cleanup operations, the system fails to properly sanitize file paths or validate user permissions, creating a condition where an attacker can manipulate the deletion process to target arbitrary files on the system. This weakness aligns with common software security principles where insufficient validation leads to path traversal or arbitrary file operation vulnerabilities. The vulnerability operates under the CWE-22 category of Path Traversal and CWE-770 allocation for excessive resource consumption, demonstrating how improper file handling can create dangerous operational conditions. The attack vector requires local system access, meaning an attacker must first establish a foothold through other means before exploiting this specific weakness.
The operational impact of CVE-2022-45797 extends beyond simple file deletion capabilities, as it provides a pathway for privilege escalation within the targeted environment. Once an attacker gains low-privileged execution rights, they can leverage this vulnerability to remove critical system files, configuration data, or security artifacts that would otherwise protect the system. This capability creates cascading effects that can undermine the integrity of the entire endpoint protection framework, potentially allowing attackers to remove security logs, disable protection features, or corrupt system files that maintain the software's operational integrity. The vulnerability's impact is particularly concerning in enterprise environments where Trend Micro Apex One serves as a primary security control, as successful exploitation could significantly weaken the organization's defensive posture and enable further lateral movement within the network.
Mitigation strategies for this vulnerability require a multi-layered approach that addresses both the immediate threat and broader security posture. System administrators should immediately apply the vendor-provided patches and updates released to address this specific flaw, as these updates typically include enhanced input validation and privilege checking mechanisms. Additionally, implementing strict access controls and limiting local user privileges on systems running Trend Micro Apex One can reduce the attack surface for exploitation. Network segmentation and monitoring solutions should be employed to detect anomalous file deletion patterns that might indicate exploitation attempts. The ATT&CK framework categorizes this vulnerability under T1059 for command and script interpreter usage and T1486 for data destruction, highlighting how such flaws can enable attackers to establish persistent access and cause operational disruption. Organizations should also consider implementing file integrity monitoring solutions that can detect unauthorized file removal operations and provide alerts when suspicious activities occur within the system's file structure.