CVE-2021-46385 in MCMS
Summary
by MITRE • 01/26/2022
https://gitee.com/mingSoft/MCMS MCMS
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Analysis
by VulDB Data Team • 01/29/2022
The vulnerability identified as CVE-2021-46385 affects the MCMS content management system developed by MingSoft, a widely used open-source platform for building websites and web applications. This system is commonly deployed in enterprise environments and small to medium-sized businesses that require robust content management capabilities. The vulnerability resides within the application's handling of user input and authentication mechanisms, creating a significant security risk that could be exploited by malicious actors to gain unauthorized access to sensitive data and system resources.
This specific flaw represents a critical authentication bypass vulnerability that allows attackers to circumvent the system's security controls without proper credentials. The technical implementation involves improper validation of user sessions and inadequate session management practices within the MCMS framework. Attackers can exploit this weakness to escalate privileges or gain administrative access to the platform, potentially leading to full system compromise. The vulnerability manifests when the application fails to properly verify user authentication tokens or session identifiers, creating a pathway for unauthorized users to assume legitimate user roles within the system.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can enable attackers to modify or delete critical content, extract sensitive data, and potentially establish persistent backdoors within the affected systems. Organizations utilizing MCMS may face severe consequences including data breaches, regulatory compliance violations, and reputational damage when this vulnerability is exploited. The attack surface is particularly concerning given that MCMS is often deployed in environments where it handles sensitive business information, customer data, and proprietary content that requires robust security controls.
Security professionals should immediately implement mitigations including applying the latest patches released by MingSoft, implementing additional authentication controls, and monitoring for suspicious activities within the application logs. The vulnerability aligns with CWE-287 which addresses improper authentication issues, and represents a direct threat to the principle of least privilege in system security. Organizations should also consider implementing network segmentation, access controls, and regular security assessments to reduce the risk of exploitation. The ATT&CK framework categorizes this type of vulnerability under credential access and privilege escalation techniques, emphasizing the importance of proper session management and authentication protocols in preventing such attacks.
The remediation process requires thorough testing of the patched version to ensure that legitimate functionality remains intact while addressing the authentication bypass issue. Security teams should conduct comprehensive vulnerability assessments to identify any potential exploitation attempts that may have occurred prior to patching. Regular security monitoring and incident response procedures should be enhanced to detect similar vulnerabilities in other components of the organization's technology stack. The incident highlights the critical importance of maintaining up-to-date security practices and the necessity of regular vulnerability assessments to protect against emerging threats in the cybersecurity landscape.