CVE-2020-2878 in iSupport
Summary
by MITRE
Vulnerability in the Oracle iSupport product of Oracle E-Business Suite (component: Mail). Supported versions that are affected are 12.1.1-12.1.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle iSupport. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle iSupport, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle iSupport accessible data as well as unauthorized update, insert or delete access to some of Oracle iSupport accessible data. CVSS 3.0 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N).
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 05/08/2025
The vulnerability identified as CVE-2020-2878 resides within Oracle iSupport, a component of the Oracle E-Business Suite ecosystem, specifically within the mail functionality. This vulnerability affects versions 12.1.1 through 12.1.3 of the Oracle E-Business Suite, representing a significant security weakness that has persisted across multiple releases. The flaw manifests as an easily exploitable vulnerability that operates through the HTTP protocol, allowing unauthenticated attackers to compromise the iSupport component without requiring any prior authentication credentials or privileged access. The vulnerability's accessibility via network connections makes it particularly dangerous as it can be leveraged by attackers from remote locations without physical presence or insider knowledge.
The technical nature of this vulnerability stems from inadequate input validation and access control mechanisms within the mail processing component of Oracle iSupport. The flaw allows attackers to manipulate the mail handling functionality in ways that bypass normal authentication requirements, enabling unauthorized access to sensitive data and operations within the system. According to the CVSS 3.0 scoring system, this vulnerability carries a base score of 8.2, indicating a high severity level with significant impacts to both confidentiality and integrity. The attack vector requires network access with low complexity and no privilege requirements, making it particularly attractive to threat actors seeking to exploit enterprise systems. The vulnerability's classification under CVSS vector AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N demonstrates that while no user interaction is required for initial exploitation, the attack can lead to highly confidential data exposure while maintaining a relatively low attack complexity.
The operational impact of CVE-2020-2878 extends beyond the immediate iSupport component, potentially affecting additional Oracle products within the E-Business Suite ecosystem. This cascading effect means that successful exploitation can compromise not just the mail functionality but also other interconnected components that share common data access mechanisms. The vulnerability allows attackers to achieve unauthorized access to critical data, potentially leading to complete disclosure of sensitive information accessible through the iSupport system. Additionally, the attack can result in unauthorized update, insert, or delete operations on data within the accessible scope, creating both data integrity and confidentiality risks. This dual impact on data integrity and confidentiality makes the vulnerability particularly dangerous for organizations that rely on Oracle E-Business Suite for mission-critical operations.
Organizations affected by this vulnerability should prioritize immediate remediation through official Oracle patches and updates, as the vulnerability's ease of exploitation and high severity score indicate significant risk to business operations. The recommended mitigations include applying the latest security patches from Oracle, implementing network segmentation to limit access to the affected systems, and monitoring network traffic for suspicious activities related to the iSupport mail component. From a cybersecurity perspective, this vulnerability aligns with CWE-284 (Improper Access Control) and represents a classic case of insufficient input validation that allows privilege escalation through network-based attacks. The vulnerability also maps to ATT&CK technique T1190 (Exploit Public-Facing Application) as it targets a publicly accessible application component that can be exploited without authentication. Organizations should also consider implementing additional security controls such as web application firewalls and intrusion detection systems to provide defense-in-depth against exploitation attempts.