CVE-2025-3701 in Malware Scanner Plugin
Summary
by MITRE • 09/03/2025
Missing Authorization vulnerability in Malcure Web Security Malcure Malware Scanner allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Malcure Malware Scanner: from n/a through 16.8.
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Analysis
by VulDB Data Team • 09/03/2025
The vulnerability identified as CVE-2025-3701 represents a critical missing authorization flaw within the Malcure Web Security Malcure Malware Scanner product line. This weakness manifests as an incorrectly configured access control security level that permits unauthorized entities to exploit the system without proper authentication or authorization. The vulnerability impacts all versions of the Malcure Malware Scanner from the initial release through version 16.8, indicating a widespread issue that has persisted across multiple iterations of the software. The root cause stems from insufficient access control mechanisms that fail to properly validate user credentials or roles before granting access to sensitive system functions or data. This misconfiguration creates a pathway for attackers to bypass normal security controls and gain access to restricted areas of the scanner's functionality.
The technical exploitation of this vulnerability enables adversaries to perform actions that should be restricted to authorized administrators or users with specific privileges. Attackers can leverage this missing authorization check to access administrative interfaces, modify scanner configurations, view sensitive scan results, or potentially disrupt the normal operation of the malware scanning service. The flaw operates at the application level where access control decisions are made, allowing unauthorized users to traverse the security boundaries that should normally prevent such access. This vulnerability directly maps to CWE-285, which addresses improper authorization within software systems, and aligns with ATT&CK technique T1078 for valid accounts and T1566 for credential harvesting. The impact extends beyond simple data access as the compromised system could be used as a foothold for further attacks or to manipulate security configurations to evade detection.
The operational consequences of this vulnerability are severe for organizations relying on the Malcure Malware Scanner for their security infrastructure. Unauthorized access to the scanner could lead to complete compromise of the malware detection capabilities, allowing attackers to modify scan parameters, disable security features, or exfiltrate sensitive information collected during scanning operations. The vulnerability undermines the fundamental security posture of systems that depend on this scanner, as it provides attackers with a potential entry point that bypasses normal security controls. Organizations may experience data breaches, system disruptions, or the complete loss of malware protection capabilities. The affected versions span multiple releases, suggesting that the issue has not been adequately addressed through patches or updates, leaving a significant attack surface that persists across the product lifecycle. This vulnerability particularly affects environments where the scanner is deployed in production systems and where access control is critical for maintaining security integrity.
Mitigation strategies for CVE-2025-3701 must address both immediate remediation and long-term architectural improvements. Organizations should immediately apply available patches or updates from the vendor to address the missing authorization controls. Network segmentation and additional access controls should be implemented to limit exposure of the scanner to untrusted networks or users. Regular security assessments should be conducted to identify similar access control misconfigurations throughout the system. The implementation of principle of least privilege should be enforced to ensure that users and processes have only the minimum access necessary to perform their functions. Security monitoring should be enhanced to detect unauthorized access attempts to the scanner's administrative interfaces. Organizations should also consider implementing multi-factor authentication for administrative access and regular access control reviews to identify and remediate similar vulnerabilities. The vulnerability serves as a reminder of the critical importance of proper access control implementation and the potential catastrophic impact when these controls are missing or incorrectly configured.