CVE-2020-14865 in PeopleSoft Enterprise SCM eSupplier Connection
Summary
by MITRE • 10/21/2020
Vulnerability in the PeopleSoft Enterprise SCM eSupplier Connection product of Oracle PeopleSoft (component: eSupplier Connection). The supported version that is affected is 9.2. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise SCM eSupplier Connection. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all PeopleSoft Enterprise SCM eSupplier Connection accessible data as well as unauthorized access to critical data or complete access to all PeopleSoft Enterprise SCM eSupplier Connection accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 11/24/2020
The vulnerability identified as CVE-2020-14865 represents a critical security flaw within Oracle PeopleSoft Enterprise SCM eSupplier Connection component version 9.2. This weakness resides in the web-based interface of the eSupplier Connection module, which serves as a crucial bridge between organizations and their supplier networks for procurement processes. The vulnerability specifically affects the authentication and authorization mechanisms that govern access to sensitive procurement data and business processes. Security researchers have classified this issue as easily exploitable due to its accessibility through standard HTTP network protocols and the relatively low privilege requirements needed to initiate attacks. The affected component operates within the broader PeopleSoft enterprise application framework, which typically handles sensitive financial and procurement data, making this vulnerability particularly concerning for organizations relying on integrated supply chain management systems.
The technical implementation flaw manifests in insufficient input validation and access control mechanisms within the eSupplier Connection web interface. Attackers can exploit this weakness by crafting malicious HTTP requests that bypass normal authentication procedures and gain unauthorized access to the underlying data processing functions. This vulnerability operates at the application layer where user requests are processed, allowing malicious actors to manipulate the system's behavior through carefully constructed web traffic. The flaw enables what cybersecurity professionals classify as a privilege escalation attack vector, where low-privilege users can achieve elevated access levels through network-based exploitation. The vulnerability's impact extends beyond simple data access to include the ability to modify or delete critical procurement information, potentially disrupting entire supply chain operations. According to the CVSS 3.1 scoring system, this vulnerability achieves a base score of 8.1, reflecting high severity across both confidentiality and integrity dimensions while maintaining a relatively low attack complexity.
The operational consequences of this vulnerability pose significant risks to enterprise procurement processes and data integrity. Organizations utilizing PeopleSoft eSupplier Connection may experience unauthorized modifications to supplier information, procurement orders, or financial data records that could result in substantial financial losses and operational disruptions. The vulnerability's ability to enable complete access to all system data means that attackers can potentially exfiltrate sensitive supplier information, manipulate pricing structures, or corrupt procurement workflows. This risk is particularly elevated in supply chain environments where eSupplier Connection facilitates direct data exchange between organizations and their vendor networks. The impact extends to business continuity as unauthorized modifications to procurement data could lead to incorrect ordering, payment processing errors, or supplier relationship disruptions. Security professionals categorize this vulnerability under CWE-284 (Improper Access Control) and align it with ATT&CK techniques related to privilege escalation and credential access. The vulnerability's network accessibility means that attackers do not require physical access to systems or insider knowledge beyond basic web application exploitation techniques.
Organizations should implement immediate mitigations including applying Oracle's security patches and updates as released through their official security bulletins. Network segmentation and firewall rules should be implemented to restrict direct access to the eSupplier Connection web interfaces from untrusted networks. Additional protective measures include implementing robust web application firewalls, monitoring for anomalous HTTP traffic patterns, and conducting regular vulnerability assessments of the PeopleSoft environment. Security teams should also establish enhanced logging and auditing procedures specifically for procurement data access and modifications. The remediation process should include thorough testing of patches in staging environments before deployment to production systems. Organizations must also review their access control policies and implement the principle of least privilege for all users accessing the eSupplier Connection functionality. Regular security awareness training for procurement staff can help prevent social engineering attacks that might exploit this vulnerability. System administrators should consider implementing multi-factor authentication for administrative access to the PeopleSoft environment and establish continuous monitoring for unauthorized access attempts. The vulnerability's classification as easily exploitable underscores the urgency of implementing these protective measures and highlights the importance of maintaining current security patches for enterprise applications.