CVE-2022-21566 – CVE-2022-21566 is an unauthenticated vulnerabil... (How to Fix)

Q: What is the severity of CVE-2022-21566?

CVE-2022-21566 has a CVSS score of 7.5 (HIGH). CVE-2022-21566 is an unauthenticated vulnerability in Oracle Applications Framework's Diagnostics component that allows attackers to access sensitive data via HTTP. It affects Oracle E-Business Suite versions 12.2.9 through 12.2.11. Organizations running these versions with internet-facing Oracle Applications Framework are at immediate risk.

📋 TL;DR

CVE-2022-21566 is an unauthenticated vulnerability in Oracle Applications Framework's Diagnostics component that allows attackers to access sensitive data via HTTP. It affects Oracle E-Business Suite versions 12.2.9 through 12.2.11. Organizations running these versions with internet-facing Oracle Applications Framework are at immediate risk.

💻 Affected Systems

Products:

Oracle E-Business Suite

Versions: 12.2.9 through 12.2.11

Operating Systems: Any OS running Oracle E-Business Suite

Default Config Vulnerable: ⚠️ Yes

Notes: Specifically affects the Oracle Applications Framework product, Diagnostics component. Requires HTTP access to the vulnerable endpoint.

📦 What is this software?

Applications Framework by Oracle

View all CVEs affecting Applications Framework →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of all Oracle Applications Framework accessible data, including sensitive business information, customer data, and system credentials.

🟠

Likely Case

Unauthorized access to confidential business data, potentially leading to data theft, compliance violations, and business disruption.

🟢

If Mitigated

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

🌐 Internet-Facing: HIGH - Unauthenticated network access via HTTP makes internet-facing instances extremely vulnerable to exploitation.

🏢 Internal Only: MEDIUM - Internal instances are still vulnerable to insider threats or compromised internal systems, but attack surface is reduced.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Oracle describes it as 'easily exploitable' with no authentication required via HTTP. No public exploit code was available at the time of the advisory.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Apply Oracle Critical Patch Update for July 2022 or later

Vendor Advisory: https://www.oracle.com/security-alerts/cpujul2022.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. Verify the patch was applied successfully.

🔧 Temporary Workarounds

Network Access Restriction

all

Restrict network access to Oracle Applications Framework Diagnostics component to trusted IP addresses only.

Use firewall rules to limit access to Oracle E-Business Suite HTTP ports (typically 8000, 443)

Disable Diagnostics Component

all

Temporarily disable the vulnerable Diagnostics component if not required for operations.

Consult Oracle documentation for disabling specific Framework components

🧯 If You Can't Patch

Implement strict network segmentation and firewall rules to block all external access to Oracle Applications Framework
Enable detailed logging and monitoring for unauthorized access attempts to the Diagnostics component

🔍 How to Verify

Check if Vulnerable:

Check Oracle E-Business Suite version and patch level. If running versions 12.2.9-12.2.11 without July 2022 CPU, system is vulnerable.

Check Version:

Check Oracle E-Business Suite version via application administration tools or database queries specific to your implementation

Verify Fix Applied:

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

📡 Detection & Monitoring

Log Indicators:

Unauthenticated HTTP requests to Diagnostics endpoints
Unusual data access patterns from unexpected sources
Failed authentication attempts followed by successful data access

Network Indicators:

HTTP traffic to Oracle Applications Framework from untrusted sources
Unusual data exfiltration patterns

SIEM Query:

source="oracle-ebs" AND (uri="*diagnostics*" OR uri="*framework*") AND status=200 AND user="-"

📊 Metadata

CVE ID: CVE-2022-21566

CVSS v3 Score: 7.5 (HIGH)

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

Published: July 19, 2022

Last Updated: November 21, 2024

🔗 References

https://www.oracle.com/security-alerts/cpujul2022.html Patch,Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2022.html Patch,Vendor Advisory

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