CVE-2020-19670 in B2B2C Multi-Business Basic
Summary
by MITRE • 10/04/2020
In Niushop B2B2C Multi-Business Basic Edition V1.11, authentication can be bypassed, causing administrators to reset any passwords.
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Analysis
by VulDB Data Team • 11/15/2020
The vulnerability identified as CVE-2020-19670 represents a critical authentication bypass flaw within the Niushop B2B2C Multi-Business Basic Edition version 1.11. This security weakness allows unauthorized attackers to circumvent the system's authentication mechanisms and gain administrative privileges, ultimately enabling them to reset passwords for any user account within the platform. The vulnerability stems from insufficient validation of authentication tokens and session management processes that should normally prevent unauthorized access to administrative functions. The flaw exists in the application's core authentication logic where proper access controls are not enforced during password reset operations, creating a pathway for malicious actors to exploit the system's security boundaries.
Technical exploitation of this vulnerability occurs through manipulation of authentication parameters or session tokens that should normally be validated before granting administrative access. The flaw likely involves improper input validation where the system fails to verify that the requesting user possesses legitimate administrative credentials before processing password reset requests. This type of vulnerability falls under CWE-287 which specifically addresses improper authentication issues, and aligns with ATT&CK technique T1078 which covers valid accounts and legitimate credentials for maintaining access. The vulnerability could be exploited through various vectors including direct API calls, web interface manipulation, or by leveraging existing session tokens that should have been invalidated or properly authenticated.
The operational impact of this authentication bypass vulnerability is severe and far-reaching for any organization utilizing this version of Niushop B2B2C. Successful exploitation enables attackers to assume full administrative control over the platform, potentially compromising thousands of user accounts and sensitive business data. The ability to reset any password provides attackers with persistent access to the system, allowing them to maintain control over compromised accounts and potentially escalate privileges further. This vulnerability directly impacts the confidentiality, integrity, and availability of the system, as attackers can modify user permissions, access confidential business information, and disrupt normal operations. Organizations may face significant financial losses, regulatory penalties, and reputational damage due to unauthorized access to their e-commerce platform.
Mitigation strategies for CVE-2020-19670 should prioritize immediate patching of the affected Niushop B2B2C Multi-Business Basic Edition to version 1.12 or later, which contains the necessary security fixes. Organizations should implement robust session management practices including proper token validation, timeout mechanisms, and secure session handling protocols. Network segmentation and access controls should be enforced to limit exposure of administrative interfaces to trusted networks only. Additionally, organizations should deploy comprehensive monitoring solutions to detect anomalous authentication patterns and unauthorized password reset activities. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other applications and systems. The implementation of multi-factor authentication for administrative accounts provides an additional layer of protection, while proper logging and audit trails enable forensic analysis of security incidents. Security teams should also establish incident response procedures specifically designed to address authentication bypass vulnerabilities and ensure rapid containment and remediation of affected systems.