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CVE-2020-2833

8.2 HIGH

📋 TL;DR

This vulnerability in Oracle Quoting (part of Oracle E-Business Suite) allows unauthenticated attackers with network access via HTTP to compromise the system. It requires human interaction from someone other than the attacker and can lead to unauthorized access to critical data or complete access to all Oracle Quoting data. Affected versions are 12.1.1 through 12.1.3.

💻 Affected Systems

Products:
  • Oracle E-Business Suite - Oracle Quoting
Versions: 12.1.1 through 12.1.3
Operating Systems: Any OS running Oracle E-Business Suite
Default Config Vulnerable: ⚠️ Yes
Notes: Component affected is Courseware within Oracle Quoting. Requires Oracle E-Business Suite installation with Quoting module.

📦 What is this software?

Quoting by Oracle

View all CVEs affecting Quoting →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of Oracle Quoting data including unauthorized access to all sensitive information and ability to modify/delete data, potentially impacting other connected systems.

🟠

Likely Case

Unauthorized access to sensitive quoting data and potential data manipulation in Oracle Quoting component.

🟢

If Mitigated

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

🌐 Internet-Facing: HIGH - Unauthenticated network access via HTTP makes internet-facing instances extremely vulnerable.
🏢 Internal Only: MEDIUM - Still significant risk from internal threats but requires network access and human interaction.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW - Easily exploitable according to Oracle's rating.

Requires human interaction from someone other than attacker. No public exploit code known as of advisory date.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Apply Oracle Critical Patch Update for April 2020 or later

Vendor Advisory: https://www.oracle.com/security-alerts/cpuapr2020.html

Restart Required: Yes

Instructions:

1. Download April 2020 Critical Patch Update from Oracle Support. 2. Apply patch to affected Oracle E-Business Suite instances. 3. Restart affected services. 4. Test functionality.

🔧 Temporary Workarounds

Network Segmentation

linux

Restrict network access to Oracle Quoting component to trusted networks only.

iptables -A INPUT -p tcp --dport 80 -s trusted_network -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -s trusted_network -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j DROP
iptables -A INPUT -p tcp --dport 443 -j DROP

Web Application Firewall Rules

all

Implement WAF rules to block suspicious requests to Oracle Quoting endpoints.

🧯 If You Can't Patch

  • Implement strict network access controls to limit exposure
  • Enable detailed logging and monitoring for suspicious activities

🔍 How to Verify

Check if Vulnerable:

Check Oracle E-Business Suite version and installed patches. Vulnerable if running 12.1.1-12.1.3 without April 2020 CPU.

Check Version:

SELECT RELEASE_NAME FROM FND_PRODUCT_GROUPS;

Verify Fix Applied:

Verify April 2020 Critical Patch Update is applied via Oracle patch management tools.

📡 Detection & Monitoring

Log Indicators:

  • Unusual HTTP requests to Oracle Quoting endpoints
  • Unauthorized access attempts to Courseware component
  • Multiple failed authentication attempts followed by successful access

Network Indicators:

  • HTTP traffic to Oracle Quoting from unexpected sources
  • Unusual patterns in web application traffic

SIEM Query:

source="oracle-ebs" AND (uri="*quoting*" OR uri="*courseware*") AND (status=200 OR status=302) AND src_ip NOT IN [trusted_ips]

📊 Metadata

CVE ID: CVE-2020-2833
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: April 15, 2020
Last Updated: November 21, 2024

🔗 References

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