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CVE-2021-2227

8.1 HIGH

📋 TL;DR

This vulnerability in Oracle Cash Management allows authenticated attackers with low privileges to perform unauthorized data manipulation and access via HTTP. It affects Oracle E-Business Suite versions 12.1.1 through 12.1.3. Attackers can create, delete, or modify critical data and access sensitive information.

💻 Affected Systems

Products:
  • Oracle E-Business Suite - Cash Management
Versions: 12.1.1 through 12.1.3
Operating Systems: Any OS running Oracle E-Business Suite
Default Config Vulnerable: ⚠️ Yes
Notes: Requires Oracle Cash Management component with Bank Account Transfer functionality enabled.

📦 What is this software?

Cash Management by Oracle

View all CVEs affecting Cash Management →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of Oracle Cash Management data including unauthorized access to all financial data, unauthorized fund transfers, and manipulation of critical banking information.

🟠

Likely Case

Unauthorized access to sensitive financial data and unauthorized modifications to bank account transfer records.

🟢

If Mitigated

Limited impact with proper network segmentation, strong authentication controls, and monitoring in place.

🌐 Internet-Facing: HIGH - HTTP accessible vulnerability with low privilege requirements makes internet-facing instances prime targets.
🏢 Internal Only: HIGH - Even internally, low-privileged users can exploit this to access and manipulate critical financial data.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

CVSS indicates low attack complexity with low privilege requirements via HTTP.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Apply Oracle Critical Patch Update for April 2021 or later

Vendor Advisory: https://www.oracle.com/security-alerts/cpuapr2021.html

Restart Required: Yes

Instructions:

1. Download the appropriate patch from Oracle Support. 2. Apply the patch following Oracle's patching procedures. 3. Restart affected services. 4. Test functionality.

🔧 Temporary Workarounds

Network Segmentation

all

Restrict network access to Oracle Cash Management to only authorized users and systems.

Privilege Reduction

all

Review and minimize user privileges in Oracle Cash Management to least necessary access.

🧯 If You Can't Patch

  • Implement strict network access controls and firewall rules to limit HTTP access to Oracle Cash Management
  • Enable detailed logging and monitoring for unauthorized access attempts to Bank Account Transfer functionality

🔍 How to Verify

Check if Vulnerable:

Check Oracle E-Business Suite version and verify if Cash Management component is installed and version falls within 12.1.1-12.1.3 range.

Check Version:

Check Oracle application version through Oracle application administration tools or database queries specific to E-Business Suite.

Verify Fix Applied:

Verify patch application through Oracle's patch management tools and confirm version is updated beyond affected range.

📡 Detection & Monitoring

Log Indicators:

  • Unusual Bank Account Transfer activities
  • Multiple failed authentication attempts followed by successful access
  • Unauthorized data modification in Cash Management logs

Network Indicators:

  • Unusual HTTP traffic patterns to Cash Management endpoints
  • Requests from unexpected IP addresses to Bank Account Transfer functions

SIEM Query:

source="oracle_ebs" AND (event_type="bank_transfer" OR component="cash_management") AND (status="unauthorized" OR user_privilege="low")

📊 Metadata

CVE ID: CVE-2021-2227
CVSS v3 Score: 8.1 (HIGH)
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Published: April 22, 2021
Last Updated: November 21, 2024

🔗 References

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