CVE-2025-50060: Oracle BI Publisher Auth Bypass Flaw

CVE-2025-50060 Overview

CVE-2025-50060 is an improper access control vulnerability [CWE-284] affecting the Web Server component of Oracle BI Publisher, part of Oracle Analytics. The flaw allows a low-privileged attacker with network access via HTTP to compromise the application. Successful exploitation can lead to unauthorized creation, deletion, or modification of critical data and full read access to all data accessible through Oracle BI Publisher. Oracle addressed the issue in the July 2025 Critical Patch Update.

Critical Impact

Authenticated attackers with low privileges can compromise the confidentiality and integrity of all data accessible through Oracle BI Publisher over HTTP.

Affected Products

• Oracle BI Publisher 7.6.0.0.0
• Oracle BI Publisher 8.2.0.0.0
• Oracle BI Publisher 12.2.1.4.0

Discovery Timeline

• 2025-07-15 - CVE-2025-50060 published to NVD
• 2025-07-15 - Oracle releases security patch in July 2025 Critical Patch Update
• 2025-07-24 - Last updated in NVD database

Technical Details for CVE-2025-50060

Vulnerability Analysis

The vulnerability resides in the Web Server component of Oracle BI Publisher. It is classified under Improper Access Control [CWE-284], meaning the application fails to enforce proper authorization checks on certain HTTP-accessible functionality. An attacker who already holds a low-privileged account can reach restricted resources or operations that should require higher privilege levels.

Oracle's advisory indicates the impacted operations affect both confidentiality and integrity. Once exploited, an attacker can read, create, delete, or modify any data that the BI Publisher instance can access. Because BI Publisher commonly connects to enterprise data warehouses and operational reporting databases, the blast radius extends well beyond the application itself.

The Exploit Prediction Scoring System (EPSS) currently estimates a modest probability of exploitation activity, but the low attack complexity and network reachability make this issue attractive for opportunistic credential-based attacks.

Root Cause

The root cause is improper enforcement of access control on HTTP-exposed BI Publisher functionality. Authorization decisions appear to trust client-supplied context rather than validating the authenticated user's effective permissions against the requested resource or operation.

Attack Vector

Exploitation occurs over the network using standard HTTP requests against an exposed Oracle BI Publisher Web Server endpoint. The attacker must possess a low-privileged account on the target instance. No user interaction is required, and the scope remains unchanged. Verified public proof-of-concept code was not available at the time of writing. Refer to the Oracle Security Alert July 2025 for vendor technical details.

Detection Methods for CVE-2025-50060

Indicators of Compromise

• Unexpected HTTP requests from low-privileged BI Publisher accounts targeting administrative or data-export endpoints.
• Sudden spikes in report generation, data source queries, or template modifications outside normal business hours.
• New or modified BI Publisher data models, reports, or scheduled jobs created by accounts that historically do not perform such actions.

Detection Strategies

• Inspect BI Publisher access logs for authenticated sessions accessing resources outside the user's typical role scope.
• Correlate authentication events with privileged operations performed by accounts that should not have those privileges.
• Compare the running BI Publisher build against the July 2025 Critical Patch Update version baseline.

Monitoring Recommendations

• Forward BI Publisher and WebLogic access logs to a centralized SIEM for behavioral analysis of report and data-source activity.
• Alert on creation, deletion, or modification of BI Publisher catalog objects by non-administrative accounts.
• Monitor outbound database connections originating from the BI Publisher service for unusual queries or volumes.

How to Mitigate CVE-2025-50060

Immediate Actions Required

• Apply the July 2025 Critical Patch Update from Oracle to all affected BI Publisher deployments.
• Inventory all instances of Oracle BI Publisher versions 7.6.0.0.0, 8.2.0.0.0, and 12.2.1.4.0 and prioritize internet-exposed systems.
• Review and rotate credentials for low-privileged BI Publisher accounts, especially shared or service accounts.

Patch Information

Oracle published the fix in the Oracle Security Alert July 2025 Critical Patch Update. Administrators should deploy the corresponding patch for their specific BI Publisher version and validate the build number post-deployment.

Workarounds

• Restrict network access to BI Publisher Web Server endpoints to trusted management subnets using firewall or reverse proxy rules.
• Place BI Publisher behind a Web Application Firewall and enforce strict authentication on all HTTP routes until patching is complete.
• Audit and minimize BI Publisher account permissions, removing unnecessary low-privileged users that could be leveraged for exploitation.

# Example: restrict BI Publisher HTTP access to a management CIDR using iptables
iptables -A INPUT -p tcp --dport 9502 -s 10.10.20.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 9502 -j DROP