CVE-2025-53063 is a vulnerability identified in Oracle PeopleSoft Enterprise PeopleTools, specifically affecting versions 8.60, 8.61, and 8.62. The flaw resides in the PIA Core Technology component and is classified under CWE-125, indicating an out-of-bounds read or similar memory handling issue. The vulnerability allows a low privileged attacker with network access via HTTP to exploit the system, but requires user interaction from a person other than the attacker, such as clicking a malicious link or opening a crafted file. The attack can lead to unauthorized read access to a subset of PeopleSoft data and unauthorized update, insert, or delete operations on accessible data, potentially compromising data integrity and confidentiality. The vulnerability has a CVSS 3.1 base score of 5.4, with vector AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, indicating network attack vector, low attack complexity, low privileges required, user interaction needed, scope change, and limited confidentiality and integrity impacts without affecting availability. Although the vulnerability is in PeopleTools, the scope change suggests that other integrated PeopleSoft products could be impacted. No patches or known exploits are currently published, but the vulnerability is easily exploitable given the low complexity and network access. The requirement for user interaction limits automated exploitation but does not eliminate risk, especially in environments with frequent user access to PeopleSoft portals. The vulnerability's impact on ERP data integrity and confidentiality could have significant operational and compliance consequences.

For European organizations, the impact of CVE-2025-53063 can be significant, particularly for those relying on Oracle PeopleSoft Enterprise PeopleTools for critical business processes such as HR, finance, and supply chain management. Unauthorized data modification (update, insert, delete) could lead to financial discrepancies, regulatory non-compliance, and operational disruptions. Unauthorized read access could expose sensitive employee or customer data, raising GDPR compliance concerns and potential reputational damage. The scope change implies that integrated PeopleSoft products beyond PeopleTools could be compromised, expanding the attack surface and potential damage. The requirement for user interaction means phishing or social engineering campaigns could be leveraged by attackers, increasing risk in environments with less mature security awareness. The medium severity score reflects moderate risk, but the ease of network exploitation and potential for data manipulation warrant prioritized attention. The absence of known exploits currently provides a window for proactive mitigation before active attacks emerge.

1. Apply patches or updates from Oracle as soon as they become available for PeopleSoft Enterprise PeopleTools versions 8.60, 8.61, and 8.62. 2. Implement strict network segmentation and firewall rules to limit HTTP access to PeopleSoft servers only to trusted internal networks and VPN users. 3. Enhance user awareness training focusing on phishing and social engineering risks, emphasizing the need to avoid interacting with suspicious links or attachments. 4. Employ multi-factor authentication (MFA) for accessing PeopleSoft portals to reduce the risk of compromised credentials being exploited. 5. Monitor PeopleSoft logs and network traffic for unusual activity indicative of unauthorized data access or modification. 6. Conduct regular security assessments and penetration tests targeting PeopleSoft environments to identify potential exploitation paths. 7. Restrict PeopleSoft user privileges to the minimum necessary, reducing the impact of compromised accounts. 8. Use web application firewalls (WAF) with tailored rules to detect and block exploit attempts targeting PeopleSoft vulnerabilities. 9. Maintain an incident response plan specific to ERP system compromises, including data integrity verification and recovery procedures. 10. Coordinate with Oracle support and subscribe to security advisories to stay informed about updates and emerging threats related to PeopleSoft.