CVE-2017-3263 in Primavera P6 Enterprise Project Portfolio Management
Summary
by MITRE
Vulnerability in the Primavera P6 Enterprise Project Portfolio Management component of Oracle Primavera Products Suite (subcomponent: Team Member). Supported versions that are affected are 8.2, 8.3, 8.4, 15.1, 15.2, 16.1 and 16.2. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Primavera P6 Enterprise Project Portfolio Management. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Primavera P6 Enterprise Project Portfolio Management accessible data as well as unauthorized access to critical data or complete access to all Primavera P6 Enterprise Project Portfolio Management accessible data. CVSS v3.0 Base Score 8.1 (Confidentiality and Integrity impacts).
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Analysis
by VulDB Data Team • 05/15/2026
The vulnerability identified as CVE-2017-3263 resides within Oracle Primavera P6 Enterprise Project Portfolio Management, specifically within the Team Member subcomponent of the broader Primavera Products Suite. This weakness affects multiple version lines including 8.2, 8.3, 8.4, 15.1, 15.2, 16.1, and 16.2, representing a significant attack surface across the product lifecycle. The vulnerability classification as easily exploitable indicates that attackers require minimal prerequisites to leverage this flaw, making it particularly dangerous in production environments where network access is typically granted to various user roles.
The technical flaw manifests as a lack of proper access controls within the Team Member functionality, allowing unauthorized users to bypass authentication mechanisms and gain elevated privileges. This weakness enables attackers with only network-level access via HTTP protocols to escalate their privileges and execute malicious actions against the system. The vulnerability's impact extends beyond simple data access to include full manipulation capabilities, permitting unauthorized creation, deletion, and modification of critical project portfolio data. This represents a severe compromise of both data integrity and confidentiality, as attackers can not only read sensitive information but also alter or destroy project management data that organizations rely upon for business operations.
From an operational perspective, this vulnerability presents a critical risk to enterprise project management systems where Primavera P6 serves as the primary tool for portfolio management. The CVSS v3.0 base score of 8.1 indicates high severity, reflecting the combination of confidentiality and integrity impacts that can result from exploitation. Organizations utilizing this software face potential disruption to their project planning processes, data corruption, and unauthorized modification of critical project timelines, resource allocations, and budget information. The attack vector through HTTP access means that even users with minimal privileges can potentially compromise the entire system, making this vulnerability particularly concerning for organizations that do not maintain strict network segmentation policies.
The vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems, and demonstrates characteristics consistent with ATT&CK technique T1078 for valid accounts and T1484 for domain policy modification. Organizations should implement immediate mitigations including applying Oracle's security patches, implementing network segmentation to restrict HTTP access to the application, and conducting thorough access control reviews. Additional defensive measures should include monitoring for unusual access patterns, implementing intrusion detection systems, and establishing privileged access management protocols to reduce the risk of successful exploitation. Regular vulnerability assessments and security audits should be conducted to identify similar weaknesses in other enterprise applications and ensure comprehensive protection against similar attack vectors.