CVE-2025-49219 in Apex Central
Summary
by MITRE • 06/17/2025
An insecure deserialization operation in Trend Micro Apex Central below versions 8.0.7007 could lead to a pre-authentication remote code execution on affected installations. Note that this vulnerability is similar to CVE-2025-49220 but is in a different method.
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Analysis
by VulDB Data Team • 09/11/2025
The vulnerability identified as CVE-2025-49219 represents a critical security flaw in Trend Micro Apex Central software versions prior to 8.0.7007. This issue manifests as an insecure deserialization operation that allows attackers to execute arbitrary code remotely without requiring authentication credentials. The vulnerability operates at a fundamental level within the application's data processing pipeline, where serialized objects are improperly handled during the deserialization phase. Such flaws typically arise when applications accept untrusted data and deserialize it without adequate validation or sanitization measures. The security implications are severe as this vulnerability enables attackers to gain full control over affected systems, making it a prime target for malicious actors seeking to establish persistent access or escalate privileges within network environments.
The technical implementation of this vulnerability involves the exploitation of weak input validation mechanisms within the Apex Central application's deserialization framework. When the system processes incoming serialized data, it fails to properly validate the integrity and authenticity of the serialized objects before executing them. This creates an opportunity for attackers to craft malicious serialized payloads that, when processed by the vulnerable application, trigger unintended code execution. The vulnerability's pre-authentication nature means that any remote attacker can exploit this flaw without needing valid user credentials, significantly broadening the attack surface. The similarity to CVE-2025-49220 indicates that this represents a pattern of insecure deserialization within the same software component, suggesting potential architectural weaknesses in how the application handles serialized data processing.
From an operational impact perspective, successful exploitation of CVE-2025-49219 can result in complete system compromise, allowing attackers to execute arbitrary commands, access sensitive data, install malware, or establish backdoors for persistent access. Organizations running affected versions of Trend Micro Apex Central face significant risk of data breaches, system infiltration, and potential lateral movement within their networks. The vulnerability's severity classification aligns with common industry standards where insecure deserialization flaws are categorized under CWE-502, which specifically addresses deserialization of untrusted data. This categorization reflects the fundamental nature of the flaw, which enables attackers to manipulate the application's normal execution flow through carefully crafted serialized objects. The operational impact extends beyond immediate system compromise to include potential regulatory compliance violations, financial losses, and reputational damage for organizations that fail to address this vulnerability promptly.
Security mitigation strategies for CVE-2025-49219 should prioritize immediate patch deployment to versions 8.0.7007 or later, which contain the necessary fixes for the deserialization vulnerability. Organizations should implement network segmentation and monitoring to detect potential exploitation attempts, particularly focusing on unusual network traffic patterns or unauthorized access attempts to the Apex Central service. The remediation process should include comprehensive vulnerability scanning to identify all affected systems and ensure proper patch management procedures are in place. Additional defensive measures can include implementing application-level firewalls, restricting network access to the affected service, and conducting regular security assessments to identify similar vulnerabilities in other applications. Organizations should also consider implementing runtime application self-protection mechanisms and establishing incident response procedures specifically tailored to handle deserialization-based attacks. The vulnerability serves as a reminder of the critical importance of secure coding practices and proper input validation in preventing remote code execution exploits.