CVE-2021-41460

7.5 HIGH

📋 TL;DR

ECShop 4.1.0 contains a SQL injection vulnerability that allows attackers to execute arbitrary SQL commands through crafted inputs. This can lead to unauthorized access to sensitive database information. Any organization running ECShop 4.1.0 is affected.

💻 Affected Systems

Products:
  • ECShop
Versions: 4.1.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Only ECShop 4.1.0 is confirmed affected. Earlier versions may also be vulnerable but not confirmed.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise including user credentials, payment information, and administrative access leading to full system takeover.

🟠

Likely Case

Extraction of sensitive customer data, administrative credentials, and potential privilege escalation.

🟢

If Mitigated

Limited information disclosure if proper input validation and WAF rules are in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

SQL injection vulnerabilities in web applications are commonly exploited with automated tools.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.1.1 or later

Vendor Advisory: https://www.ecshop.com/

Restart Required: No

Instructions:

1. Backup current installation and database. 2. Download latest ECShop version from official site. 3. Replace vulnerable files with patched versions. 4. Test functionality before production deployment.

🔧 Temporary Workarounds

Input Validation Filter

all

Implement strict input validation and parameterized queries in affected code sections

Modify PHP files to use prepared statements with PDO or mysqli

WAF Rule Implementation

linux

Deploy web application firewall rules to block SQL injection patterns

Add mod_security rules for SQL injection detection

🧯 If You Can't Patch

  • Implement network segmentation to isolate ECShop from sensitive systems
  • Deploy database monitoring to detect unusual SQL query patterns

🔍 How to Verify

Check if Vulnerable:

Check ECShop version in admin panel or by examining version files in installation directory

Check Version:

Check includes/init.php or admin/index.php for version information

Verify Fix Applied:

Test SQL injection payloads against patched installation to confirm they are blocked

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL error messages in web server logs
  • Multiple failed login attempts with SQL-like patterns

Network Indicators:

  • HTTP requests containing SQL keywords like UNION, SELECT, INSERT in parameters

SIEM Query:

source="web_logs" AND ("union select" OR "' OR '1'='1" OR "sleep(")

🔗 References

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