CVE-2020-28577 in Apex One
Summary
by MITRE • 12/02/2020
An improper access control information disclosure vulnerability in Trend Micro Apex One and OfficeScan XG SP1 could allow an unauthenticated user to connect to the product server and reveal server hostname and db names.
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Analysis
by VulDB Data Team • 12/11/2020
The vulnerability identified as CVE-2020-28577 represents a critical improper access control flaw within Trend Micro Apex One and OfficeScan XG SP1 security products. This weakness stems from insufficient authentication mechanisms that permit unauthorized users to establish connections to the underlying server infrastructure without proper credentials. The vulnerability specifically affects the administrative and database communication interfaces of these security solutions, creating a significant risk exposure for organizations relying on these platforms for endpoint protection and threat management.
Technical exploitation of this vulnerability occurs through the manipulation of network protocols and service endpoints that should normally require authenticated access. The flaw allows attackers to bypass standard authentication procedures and directly access server components that contain sensitive information including hostnames and database names. This information disclosure represents a fundamental breakdown in the principle of least privilege and demonstrates a clear failure in implementing proper access controls. The vulnerability operates at the application layer and can be exploited through network-based attacks without requiring any specialized tools or extensive technical knowledge.
The operational impact of this vulnerability extends beyond simple information disclosure, as the revealed server hostnames and database names provide attackers with critical reconnaissance data for subsequent attacks. This information can be leveraged to craft more targeted attacks against specific server configurations, identify potential database vulnerabilities, and map network topologies for further exploitation. Organizations may experience cascading security failures as attackers use this initial reconnaissance to plan more sophisticated attacks, potentially leading to full system compromise. The vulnerability particularly affects environments where these security products are deployed in enterprise networks, where the disclosed information could expose multiple interconnected systems.
Mitigation strategies for CVE-2020-28577 should focus on implementing robust access control measures and network segmentation to prevent unauthorized access to sensitive server components. Organizations should immediately apply available patches from Trend Micro to address the authentication bypass vulnerability. Network administrators should implement firewall rules to restrict access to administrative ports and services, while also configuring proper authentication mechanisms for all server interfaces. The vulnerability aligns with CWE-284, which describes improper access control, and represents a clear violation of the principle of least privilege. From an ATT&CK framework perspective, this vulnerability maps to initial access techniques and reconnaissance activities that enable more advanced persistent threats. Security teams should conduct comprehensive network scans to identify all instances of affected software and implement monitoring for unauthorized access attempts to administrative interfaces. Regular security assessments and vulnerability management processes should be enhanced to prevent similar access control failures in other security infrastructure components.