CVE-2021-2082 – This vulnerability in Oracle iStore allows unau... (How to Fix)

Q: What is the severity of CVE-2021-2082?

CVE-2021-2082 has a CVSS score of 8.2 (HIGH). This vulnerability in Oracle iStore allows unauthenticated attackers to access sensitive data and modify some data through a web-based attack requiring user interaction. It affects Oracle E-Business Suite versions 12.1.1-12.1.3 and 12.2.3-12.2.10. The attack can impact other connected systems beyond just iStore.

📋 TL;DR

This vulnerability in Oracle iStore allows unauthenticated attackers to access sensitive data and modify some data through a web-based attack requiring user interaction. It affects Oracle E-Business Suite versions 12.1.1-12.1.3 and 12.2.3-12.2.10. The attack can impact other connected systems beyond just iStore.

💻 Affected Systems

Products:

Oracle E-Business Suite iStore

Versions: 12.1.1-12.1.3 and 12.2.3-12.2.10

Operating Systems: All platforms running Oracle E-Business Suite

Default Config Vulnerable: ⚠️ Yes

Notes: Requires HTTP access to Oracle iStore component; affects both internet-facing and internal deployments.

📦 What is this software?

Istore by Oracle

View all CVEs affecting Istore →

Istore by Oracle

View all CVEs affecting Istore →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of all Oracle iStore accessible data including critical business information, with unauthorized modifications to data that could disrupt operations.

🟠

Likely Case

Unauthorized access to sensitive customer or transaction data, with potential data manipulation affecting business processes.

🟢

If Mitigated

Limited impact with proper network segmentation and user awareness training, though some risk remains until patched.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Exploitation requires user interaction (UI:R in CVSS vector), making it less likely for automated attacks but still dangerous via social engineering.

🛠️ Fix & Mitigation

✅ Official Fix

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

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

Restart Required: Yes

Instructions:

1. Download and apply Oracle Critical Patch Update January 2021. 2. Apply patches for Oracle E-Business Suite. 3. Restart affected services. 4. Test functionality after patching.

🔧 Temporary Workarounds

Network Segmentation

all

Restrict network access to Oracle iStore to only trusted users and systems

Web Application Firewall

all

Deploy WAF with rules to detect and block suspicious iStore requests

🧯 If You Can't Patch

Implement strict network access controls to limit exposure
Monitor iStore access logs for unusual patterns and implement user awareness training

🔍 How to Verify

Check if Vulnerable:

Check Oracle E-Business Suite version and compare against affected versions 12.1.1-12.1.3 or 12.2.3-12.2.10

Check Version:

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

Verify Fix Applied:

Verify Critical Patch Update January 2021 has been applied and check patch status in Oracle documentation

📡 Detection & Monitoring

Log Indicators:

Unusual HTTP requests to iStore endpoints
Multiple failed access attempts followed by successful data access

Network Indicators:

Unusual traffic patterns to iStore from unexpected sources
HTTP requests with suspicious parameters

SIEM Query:

source="oracle-istore" AND (status=200 OR status=302) AND (user_agent="*suspicious*" OR referer="*malicious*")

📊 Metadata

CVE ID: CVE-2021-2082

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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