CVE-2022-45936 in Mendix Email Connector
Summary
by MITRE • 12/13/2022
A vulnerability has been identified in Mendix Email Connector (All versions < V2.0.0). Affected versions of the module improperly handle access control for some module entities.
This could allow authenticated remote attackers to read and manipulate sensitive information.
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Analysis
by VulDB Data Team • 01/07/2023
The vulnerability identified as CVE-2022-45936 affects the Mendix Email Connector module, specifically targeting versions prior to V2.0.0. This represents a critical access control flaw that undermines the security posture of applications leveraging this connector. The Mendix platform is widely used for rapid application development, and email connectivity is a fundamental feature in many business applications. When a module fails to properly enforce access controls, it creates a significant attack surface that malicious actors can exploit to gain unauthorized access to sensitive data. The vulnerability manifests in the improper handling of access control for module entities, which essentially means that the system does not adequately verify user permissions before allowing data operations.
The technical flaw stems from insufficient authorization checks within the Email Connector module's entity handling mechanisms. This type of vulnerability falls under the CWE-285 category, which addresses improper authorization issues in software systems. When authenticated attackers can manipulate or read sensitive information through this flaw, it indicates that the system lacks proper input validation and access control enforcement. The vulnerability allows attackers to bypass normal access restrictions that should prevent unauthorized data access, potentially leading to data exposure, data manipulation, or even privilege escalation within the application context. The affected module's inability to properly validate user credentials or roles before executing operations creates a direct pathway for unauthorized access to email-related data.
The operational impact of this vulnerability extends beyond simple data exposure, as it can compromise the integrity and confidentiality of email communications within Mendix applications. Attackers who exploit this flaw could potentially read sensitive email content, manipulate email configurations, or access email account credentials stored within the application's database. This is particularly concerning in enterprise environments where email systems often contain proprietary information, personal data, or business-critical communications. The vulnerability also aligns with ATT&CK technique T1078 which covers valid accounts and credential access, as attackers could leverage this flaw to gain access to legitimate user accounts and their associated email data. Organizations using affected versions may experience data breaches, regulatory compliance violations, and potential legal consequences due to unauthorized data access.
Mitigation strategies for CVE-2022-45936 primarily focus on immediate version upgrades to V2.0.0 or later, which should contain the necessary access control fixes. System administrators should conduct thorough vulnerability assessments to identify all instances of the affected module within their environments and prioritize remediation efforts. Additionally, implementing network segmentation and access controls can help limit the potential impact of exploitation attempts. Organizations should also review their existing access control policies and ensure that proper least-privilege principles are enforced for email connector configurations. The fix should include comprehensive logging and monitoring of access attempts to detect potential exploitation attempts. Security teams should consider implementing automated patch management processes to ensure timely deployment of security updates across all application components. Regular security testing and code reviews should be conducted to identify similar access control issues in other modules, as this vulnerability demonstrates the importance of proper authorization mechanisms in enterprise application development.