CVE-2021-2025
📋 TL;DR
An unauthenticated attacker can exploit this vulnerability in Oracle Business Intelligence Enterprise Edition via HTTP to gain unauthorized access to critical data. The attack requires human interaction from someone other than the attacker and can impact additional products beyond the vulnerable component. Affected versions include 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0, and 12.2.1.4.0.
💻 Affected Systems
- Oracle Business Intelligence Enterprise Edition
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of all Oracle BI accessible data including unauthorized access, modification, insertion, or deletion of sensitive business intelligence information.
Likely Case
Unauthorized access to critical business intelligence data and partial data manipulation capabilities.
If Mitigated
Limited impact if proper network segmentation and access controls prevent unauthenticated HTTP access to vulnerable systems.
🎯 Exploit Status
CVSS indicates easily exploitable (AC:L) and requires user interaction (UI:R). No public exploit code identified in references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply patches from Oracle Critical Patch Update Advisory - January 2021
Vendor Advisory: https://www.oracle.com/security-alerts/cpujan2021.html
Restart Required: Yes
Instructions:
1. Download appropriate patch from Oracle Support. 2. Apply patch according to Oracle documentation. 3. Restart affected services. 4. Verify patch application.
🔧 Temporary Workarounds
Network Access Restriction
linuxRestrict network access to Oracle BI systems to trusted IP addresses only
iptables -A INPUT -p tcp --dport 80 -s trusted_network -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -s trusted_network -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j DROP
iptables -A INPUT -p tcp --dport 443 -j DROP
Web Application Firewall
allDeploy WAF with rules to detect and block exploitation attempts
🧯 If You Can't Patch
- Isolate vulnerable systems in separate network segment with strict access controls
- Implement multi-factor authentication and monitor for suspicious access patterns
🔍 How to Verify
Check if Vulnerable:
Check Oracle BI version against affected versions list. Review Oracle patch application logs.Check Version:
Check Oracle BI version through administration console or configuration filesVerify Fix Applied:
Verify patch version from Oracle documentation. Check that Critical Patch Update for January 2021 is applied.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to Analytics Web General component
- Unusual data access patterns from unauthenticated sources
Network Indicators:
- HTTP requests to Oracle BI endpoints from untrusted sources
- Unusual traffic patterns to port 80/443 on Oracle BI servers
SIEM Query:
source="oracle_bi_logs" AND (event_type="unauthorized_access" OR user="anonymous")