CVE-2020-6320 in Marketing
Summary
by MITRE
SAP Marketing (Servlet), version-130,140,150, allows an authenticated attacker to invoke certain functions that are restricted. Limited knowledge of payload is required for an attacker to exploit the vulnerability and perform tasks related to contact and interaction data which impacts Confidentiality and Integrity of data in the application.
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Analysis
by VulDB Data Team • 09/09/2020
SAP Marketing Servlet vulnerability CVE-2020-6320 represents a critical authorization flaw within SAP's marketing platform that affects versions 130, 140, and 150. This vulnerability stems from insufficient access controls that permit authenticated users to execute functions typically restricted to privileged administrators. The flaw exists in the servlet component of SAP Marketing, which serves as a core interface for handling marketing operations and customer interaction data. The vulnerability is particularly concerning because it operates under the principle of least privilege violation, where standard authenticated users can escalate their privileges to access restricted functionalities without proper authorization mechanisms. According to CWE-285, this represents an authorization bypass vulnerability that directly undermines the security model of the application. The attack vector requires only authentication credentials, making it accessible to both internal and external threat actors who have gained initial access to the system.
The technical exploitation of this vulnerability enables attackers to manipulate contact and interaction data within the SAP Marketing application, creating significant risks to data integrity and confidentiality. The restricted functions that become accessible through this flaw likely include data modification operations, user management capabilities, and potentially administrative configuration changes. Attackers can leverage this vulnerability to alter customer contact information, modify interaction histories, and potentially inject malicious data into the marketing database. The limited payload knowledge requirement indicates that the exploitation mechanism is relatively straightforward, reducing the barrier for threat actors to successfully compromise the system. This vulnerability aligns with ATT&CK technique T1078 which covers valid accounts usage, as the attacker can leverage existing authenticated sessions to perform unauthorized operations. The impact extends beyond simple data modification, as compromised contact and interaction data can lead to sophisticated social engineering attacks, targeted phishing campaigns, and damage to customer relationships.
The operational impact of CVE-2020-6320 poses severe consequences for organizations relying on SAP Marketing for customer relationship management and marketing automation. Data confidentiality breaches can expose sensitive customer information including personal details, interaction histories, and marketing preferences that organizations consider proprietary. The integrity compromise allows attackers to corrupt marketing data, potentially leading to incorrect campaign targeting, damaged customer trust, and financial losses from misdirected marketing efforts. Organizations may face regulatory compliance issues if customer data is compromised, particularly under GDPR, CCPA, or other data protection frameworks that mandate strict controls over personal information. The vulnerability's presence in multiple SAP Marketing versions suggests a widespread risk across enterprise deployments, making it a high-priority target for threat actors seeking to exploit corporate marketing databases. This flaw can facilitate broader attacks within the organization as compromised marketing data may contain information useful for further reconnaissance or lateral movement within the network infrastructure. Security teams must consider this vulnerability as part of their overall risk assessment, particularly in environments where SAP Marketing systems handle sensitive customer data or integrate with other critical business applications.
Mitigation strategies for CVE-2020-6320 should prioritize immediate implementation of SAP security patches and updates released by SAP to address the authorization bypass flaw. Organizations should conduct comprehensive access control reviews to ensure that user permissions align with their roles and that unnecessary privileges are removed. Network segmentation and monitoring should be implemented to detect unauthorized access attempts to marketing applications, particularly around data modification functions. The principle of least privilege should be strictly enforced, ensuring that only authorized administrators can access restricted functions within the SAP Marketing servlet. Security monitoring should include logging and alerting on unusual data access patterns or modifications to contact and interaction data. Regular security assessments and penetration testing should be performed to identify similar authorization flaws in other SAP components and third-party applications. Additionally, organizations should implement robust user authentication mechanisms including multi-factor authentication for administrative accounts and maintain strict access control policies for SAP Marketing systems. According to SAP security recommendations, administrators should also review and audit user roles regularly to prevent privilege creep and ensure that access rights remain appropriate for each user's responsibilities.