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CVE-2021-2262

8.1 HIGH

📋 TL;DR

This vulnerability in Oracle Purchasing (part of Oracle E-Business Suite) allows authenticated attackers with network access via HTTPS to perform unauthorized data manipulation and access. Attackers can create, delete, or modify critical data, and access sensitive information. Only version 12.1.3 of Oracle Purchasing is affected.

💻 Affected Systems

Products:
  • Oracle E-Business Suite - Oracle Purchasing
Versions: 12.1.3
Operating Systems: Any OS running Oracle E-Business Suite
Default Config Vulnerable: ⚠️ Yes
Notes: Requires Oracle Purchasing component with Endeca integration. Only affects version 12.1.3 specifically.

📦 What is this software?

Purchasing by Oracle

View all CVEs affecting Purchasing →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of Oracle Purchasing data including unauthorized access to all sensitive purchasing information, financial data manipulation, and potential supply chain disruption.

🟠

Likely Case

Unauthorized access to purchasing data, modification of purchase orders, and potential financial fraud through manipulated procurement records.

🟢

If Mitigated

Limited impact with proper network segmentation, strong authentication controls, and monitoring of purchasing data access patterns.

🌐 Internet-Facing: HIGH
🏢 Internal Only: HIGH

🎯 Exploit Status

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

Requires low-privileged authenticated access. Exploitation is described as 'easily exploitable' by Oracle.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Apply Oracle Critical Patch Update for April 2021

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

Restart Required: Yes

Instructions:

1. Download the April 2021 Critical Patch Update from Oracle Support. 2. Apply the patch to Oracle E-Business Suite 12.1.3. 3. Restart affected services. 4. Test functionality before production deployment.

🔧 Temporary Workarounds

Network Segmentation

all

Restrict network access to Oracle Purchasing to only authorized users and systems

Enhanced Authentication

all

Implement multi-factor authentication for Oracle Purchasing access

🧯 If You Can't Patch

  • Implement strict network access controls to limit Oracle Purchasing access to essential personnel only
  • Enable detailed auditing and monitoring of all Oracle Purchasing data access and modifications

🔍 How to Verify

Check if Vulnerable:

Check Oracle E-Business Suite version and verify if Oracle Purchasing 12.1.3 is installed without the April 2021 CPU patch.

Check Version:

Check Oracle E-Business Suite version through Oracle applications or database queries specific to your deployment.

Verify Fix Applied:

Verify the April 2021 Critical Patch Update has been applied successfully and test Oracle Purchasing functionality.

📡 Detection & Monitoring

Log Indicators:

  • Unusual data modification patterns in Oracle Purchasing logs
  • Multiple failed authentication attempts followed by successful access
  • Unauthorized user access to purchasing data

Network Indicators:

  • Unusual HTTPS traffic patterns to Oracle Purchasing endpoints
  • Access from unexpected IP addresses or user accounts

SIEM Query:

source="oracle-ebs" AND (event_type="data_modification" OR event_type="unauthorized_access") AND component="purchasing"

📊 Metadata

CVE ID: CVE-2021-2262
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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