CVE-2020-2687 in PeopleSoft Enterprise PeopleTools
Summary
by MITRE
Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Elastic Search). Supported versions that are affected are 8.56 and 8.57. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.0 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 03/23/2024
The CVE-2020-2687 vulnerability resides within Oracle PeopleSoft Enterprise PeopleTools, specifically in the Elastic Search component that serves as a critical indexing and search functionality for enterprise data management. This vulnerability affects versions 8.56 and 8.57 of the PeopleTools suite, which are widely deployed across enterprise environments for human capital management, financial management, and other business processes. The flaw represents a significant security weakness that undermines the confidentiality controls of sensitive enterprise data stored within PeopleSoft systems.
This vulnerability manifests as an authentication bypass issue within the Elastic Search integration, allowing unauthenticated attackers to access PeopleSoft data through standard HTTP network connections. The attack requires minimal technical sophistication as the vulnerability is classified as easily exploitable with low attack complexity. The security flaw stems from improper access controls within the Elastic Search interface, which fails to properly validate authentication requests for certain data endpoints. The vulnerability's CVSS score of 4.3 reflects its moderate severity, specifically targeting confidentiality impacts with a low attack complexity and requiring only network access via HTTP protocols. The vector indicates that the attack can be executed remotely without prior authentication, making it particularly dangerous for enterprise environments where PeopleSoft systems are exposed to external networks.
The operational impact of this vulnerability extends beyond simple data exposure, as it enables unauthorized read access to subsets of PeopleSoft Enterprise PeopleTools data. This compromise affects the integrity of enterprise data protection mechanisms and can potentially expose sensitive business information including employee records, financial data, and operational metrics. The requirement for human interaction suggests that while the vulnerability can be exploited automatically, some form of user action may be necessary to complete the attack, potentially through social engineering or targeted phishing campaigns. This human factor component increases the overall risk profile as attackers can leverage both technical and social engineering approaches to exploit the weakness.
Organizations should implement immediate mitigations including network segmentation to isolate PeopleSoft environments from external access, deploying web application firewalls to monitor and filter Elastic Search traffic, and applying the latest Oracle security patches. The vulnerability aligns with CWE-287, which addresses improper authentication issues, and maps to ATT&CK technique T1190 for exploitation of remote services. System administrators must conduct thorough network audits to identify exposed PeopleSoft instances and implement proper access controls. Additionally, organizations should review their incident response procedures to detect potential exploitation attempts and establish monitoring protocols for unusual Elastic Search access patterns. The vulnerability demonstrates the critical importance of maintaining up-to-date security patches and implementing defense-in-depth strategies to protect enterprise data platforms from exploitation.