CVE-2020-2864 in iSupplier Portal
Summary
by MITRE
Vulnerability in the Oracle iSupplier Portal product of Oracle E-Business Suite (component: Accounts). Supported versions that are affected are 12.1.3 and 12.2.5-12.2.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle iSupplier Portal. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle iSupplier Portal accessible data. CVSS 3.0 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 05/21/2024
The vulnerability identified as CVE-2020-2864 represents a significant security weakness within Oracle iSupplier Portal, a critical component of the Oracle E-Business Suite ecosystem. This flaw specifically resides within the Accounts module of the iSupplier Portal, which serves as a digital interface for suppliers to manage their interactions with organizations using Oracle E-Business Suite. The affected versions span from 12.1.3 through 12.2.9, indicating a substantial attack surface across multiple release lines. The vulnerability's classification as easily exploitable underscores the severity of the risk, as it requires no authentication credentials or specialized privileges to initiate an attack, making it particularly dangerous for organizations that may not have robust network segmentation or monitoring in place.
The technical nature of this vulnerability stems from insufficient authentication controls within the Accounts component, allowing unauthorized network access via HTTP protocols. This misconfiguration creates an entry point where malicious actors can directly access sensitive data without requiring valid user credentials or session tokens. The vulnerability's CVSS score of 5.3 reflects a medium severity level, primarily due to the confidentiality impact it enables, though the lack of integrity or availability implications does not diminish its potential for data exfiltration. The CVSS vector analysis reveals that the attack requires network access with low complexity and no privileges, while the unspecified scope suggests the vulnerability may affect the same security domain as the target system. This characteristic aligns with CWE-287, which addresses improper authentication issues in software systems, and demonstrates how weak access controls can compromise data confidentiality.
The operational impact of CVE-2020-2864 extends beyond simple data theft, as it enables attackers to access a subset of Oracle iSupplier Portal data without detection. This unauthorized read access could potentially expose supplier information, purchase order details, financial data, or other sensitive business information that suppliers have shared with organizations. The vulnerability's unauthenticated nature means that attackers can operate without leaving obvious traces in system logs, complicating forensic analysis and incident response efforts. Organizations relying on iSupplier Portal for supplier management and procurement processes face significant risk of competitive intelligence theft, regulatory compliance violations, and potential financial losses. The attack vector through HTTP protocols indicates that organizations without proper network firewalls or intrusion detection systems may be particularly vulnerable, as the attack can be executed from anywhere on the internet without requiring additional network access privileges.
Organizations should implement immediate mitigations including network segmentation to restrict access to the iSupplier Portal application, deployment of web application firewalls to monitor and filter HTTP traffic, and implementation of robust monitoring solutions to detect unauthorized access attempts. The vulnerability's scope suggests that patching the affected Oracle E-Business Suite versions should be prioritized, with organizations consulting Oracle's security bulletins for specific remediation procedures. Additionally, implementing strong authentication mechanisms and access controls within the application itself can provide defense-in-depth measures against similar vulnerabilities. This case study exemplifies the importance of maintaining current security patches and the potential consequences of unauthenticated access to business-critical applications. The vulnerability demonstrates how seemingly minor authentication flaws can create significant exposure points for sensitive data, aligning with ATT&CK technique T1078 for valid accounts and T1566 for social engineering attacks that leverage weak access controls. Organizations should also consider implementing data loss prevention solutions to monitor for unauthorized data access patterns and establish incident response procedures specifically tailored to address vulnerabilities of this nature.