CVE-2020-2906 in PeopleSoft Enterprise SCM Purchasing
Summary
by MITRE
Vulnerability in the PeopleSoft Enterprise SCM Purchasing product of Oracle PeopleSoft (component: Supplier Change). 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 Purchasing. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all PeopleSoft Enterprise SCM Purchasing accessible data. CVSS 3.0 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 05/25/2024
The vulnerability identified as CVE-2020-2906 represents a significant security flaw within Oracle PeopleSoft Enterprise SCM Purchasing version 9.2, specifically affecting the Supplier Change component. This vulnerability manifests as an easily exploitable security weakness that can be leveraged by low-privileged attackers who possess network access through HTTP protocols. The attack vector requires minimal privileges and can be executed remotely, making it particularly concerning for organizations relying on PeopleSoft for their procurement operations. The vulnerability's classification as a medium severity issue according to CVSS 3.0 scoring system indicates substantial risk to data confidentiality, with a base score of 6.5 and a vector rating of AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, where the high confidentiality impact (C:H) suggests potential exposure of sensitive procurement data.
The technical nature of this vulnerability stems from insufficient access controls within the Supplier Change functionality of PeopleSoft Enterprise SCM Purchasing. Attackers can exploit this weakness to gain unauthorized access to critical procurement data, potentially compromising supplier information, purchasing records, and other sensitive business data stored within the system. The vulnerability's design flaw likely involves inadequate input validation or insufficient authentication checks during supplier change operations, allowing malicious actors to bypass normal access controls and retrieve data they should not be authorized to access. This represents a fundamental breakdown in the principle of least privilege and data access controls that are essential for protecting enterprise procurement systems from unauthorized data access.
From an operational impact perspective, successful exploitation of CVE-2020-2906 can result in severe consequences for organizations using PeopleSoft Enterprise SCM Purchasing. The unauthorized access to all accessible data within the system creates potential for intellectual property theft, competitive disadvantage, and regulatory compliance violations. Procurement data often contains sensitive business information including pricing structures, supplier relationships, contract terms, and purchasing patterns that could be valuable to competitors or malicious actors. The vulnerability's ability to compromise complete access to all accessible data within the system means that attackers could potentially gain insight into an organization's entire procurement strategy and supplier network, fundamentally undermining business security and competitive positioning.
Organizations should implement immediate mitigation strategies to address this vulnerability, including applying the relevant Oracle security patches and updates as soon as they become available. Network segmentation and access control measures should be strengthened to limit exposure of PeopleSoft systems to unauthorized network access. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in the procurement system infrastructure. The vulnerability aligns with CWE-284 (Improper Access Control) and represents a classic example of insufficient authorization checks that can be exploited through the ATT&CK framework's initial access and credential access phases. Organizations should also consider implementing network monitoring and anomaly detection systems to identify potential exploitation attempts and establish incident response procedures specifically tailored to procurement system compromises. The security community should closely monitor for any related vulnerabilities or attack patterns targeting PeopleSoft environments, as this type of access control flaw often indicates broader systemic weaknesses that may require comprehensive security architecture reviews.