CVE-2021-2015 – This vulnerability in Oracle Workflow allows un... (How to Fix)

Q: What is the severity of CVE-2021-2015?

CVE-2021-2015 has a CVSS score of 8.2 (HIGH). This vulnerability in Oracle Workflow allows unauthenticated attackers to access sensitive data and modify information via HTTP requests. It affects Oracle E-Business Suite versions 12.2.3 through 12.2.10 and requires user interaction to exploit.

📋 TL;DR

This vulnerability in Oracle Workflow allows unauthenticated attackers to access sensitive data and modify information via HTTP requests. It affects Oracle E-Business Suite versions 12.2.3 through 12.2.10 and requires user interaction to exploit.

💻 Affected Systems

Products:

Oracle E-Business Suite

Versions: 12.2.3 through 12.2.10

Operating Systems: All platforms running Oracle E-Business Suite

Default Config Vulnerable: ⚠️ Yes

Notes: Specifically affects the Worklist component of Oracle Workflow. Requires Oracle Workflow to be installed and accessible.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of all Oracle Workflow accessible data including unauthorized access to critical information and ability to modify, insert, or delete data.

🟠

Likely Case

Unauthorized access to sensitive business data and potential data manipulation through social engineering attacks.

🟢

If Mitigated

Limited impact with proper network segmentation and user awareness training.

🌐 Internet-Facing: HIGH - Unauthenticated network access via HTTP makes internet-facing systems particularly vulnerable.

🏢 Internal Only: MEDIUM - Still significant risk but requires internal network access and user interaction.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Exploitation requires human interaction (user must be tricked into performing an action), making it suitable for phishing campaigns.

🛠️ 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 patching procedures. 3. Restart affected Oracle E-Business Suite services. 4. Test functionality after patching.

🔧 Temporary Workarounds

Network Segmentation

all

Restrict network access to Oracle Workflow components to trusted networks only

User Awareness Training

all

Educate users about phishing risks and suspicious workflow requests

🧯 If You Can't Patch

Implement strict network access controls to limit exposure
Monitor for suspicious activity in Oracle Workflow logs and network traffic

🔍 How to Verify

Check if Vulnerable:

Check Oracle E-Business Suite version and verify if Oracle Workflow is installed and accessible

Check Version:

SELECT RELEASE_NAME FROM FND_PRODUCT_GROUPS;

Verify Fix Applied:

Verify patch installation through Oracle's patch management tools and test workflow functionality

📡 Detection & Monitoring

Log Indicators:

Unusual workflow access patterns
Unauthorized data access attempts in workflow logs
Multiple failed authentication attempts

Network Indicators:

Unusual HTTP requests to workflow endpoints
Traffic from unexpected sources to workflow ports

SIEM Query:

source="oracle-workflow" AND (event_type="unauthorized_access" OR status="failed")

📊 Metadata

CVE ID: CVE-2021-2015

CVSS v3 Score: 8.2 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

Published: January 20, 2021

Last Updated: November 21, 2024

🔗 References

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

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