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CVE-2021-2029

9.8 CRITICAL
Remote Code Execution

📋 TL;DR

This critical vulnerability in Oracle Scripting allows unauthenticated attackers with network access via HTTP to completely compromise the component. It affects Oracle E-Business Suite versions 12.1.1-12.1.3 and 12.2.3-12.2.8, potentially leading to full system takeover.

💻 Affected Systems

Products:
  • Oracle E-Business Suite - Oracle Scripting component
Versions: 12.1.1-12.1.3 and 12.2.3-12.2.8
Operating Systems: Any OS running Oracle E-Business Suite
Default Config Vulnerable: ⚠️ Yes
Notes: All supported versions within the specified ranges are vulnerable by default when Oracle Scripting is enabled.

📦 What is this software?

Scripting by Oracle

View all CVEs affecting Scripting →

Scripting by Oracle

View all CVEs affecting Scripting →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of Oracle Scripting leading to full system control, data theft, and potential lateral movement within the E-Business Suite environment.

🟠

Likely Case

Remote code execution leading to data exfiltration, system manipulation, and service disruption.

🟢

If Mitigated

Limited impact if proper network segmentation and access controls prevent unauthenticated HTTP access to vulnerable systems.

🌐 Internet-Facing: HIGH - CVSS 9.8 indicates network-accessible, unauthenticated exploitation with no user interaction required.
🏢 Internal Only: HIGH - Even internally, unauthenticated network access makes this easily exploitable by any internal threat actor.

🎯 Exploit Status

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

CVSS indicates 'easily exploitable' with no authentication required and low attack complexity.

🛠️ Fix & Mitigation

✅ Official Fix

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

Vendor Advisory: https://www.oracle.com/security-alerts/cpujan2021.html

Restart Required: Yes

Instructions:

1. Download the appropriate Critical Patch Update from Oracle Support. 2. Apply the patch following Oracle's E-Business Suite patching procedures. 3. Restart affected services. 4. Test functionality.

🔧 Temporary Workarounds

Network Access Restriction

all

Block unauthenticated HTTP access to Oracle Scripting components at network perimeter

Application Firewall Rules

all

Implement WAF rules to filter suspicious requests to Oracle Scripting endpoints

🧯 If You Can't Patch

  • Isolate vulnerable systems in separate network segments with strict access controls
  • Implement application-level authentication or IP whitelisting for Oracle Scripting access

🔍 How to Verify

Check if Vulnerable:

Check Oracle E-Business Suite version and patch level. If running affected versions without January 2021 CPU, system is vulnerable.

Check Version:

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

Verify Fix Applied:

Verify patch application via Oracle's patch verification tools and confirm version is no longer in vulnerable range.

📡 Detection & Monitoring

Log Indicators:

  • Unusual HTTP requests to Oracle Scripting endpoints
  • Unauthenticated access attempts
  • Suspicious process creation from Oracle Scripting

Network Indicators:

  • HTTP traffic to Oracle Scripting from unexpected sources
  • Unusual outbound connections from E-Business Suite servers

SIEM Query:

source="oracle-ebs" AND (uri="*scripting*" OR uri="*oracle_scripting*") AND status=200 AND user="-"

📊 Metadata

CVE ID: CVE-2021-2029
CVSS v3 Score: 9.8 (CRITICAL)
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: January 20, 2021
Last Updated: November 21, 2024

🔗 References

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