CVE-2021-41487
📋 TL;DR
This vulnerability allows attackers to execute arbitrary SQL commands through the UserName parameter in NOKIA VitalSuite SPM 2020. Successful exploitation could lead to unauthorized data access, modification, or deletion. Organizations using affected versions of this software are at risk.
💻 Affected Systems
- NOKIA VitalSuite SPM
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the database, including data exfiltration, privilege escalation, and potential system takeover.
Likely Case
Unauthorized access to sensitive data, credential theft, and potential lateral movement within the network.
If Mitigated
Limited impact with proper input validation and database permissions in place.
🎯 Exploit Status
SQL injection vulnerabilities are commonly exploited and public exploit code exists
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified
Vendor Advisory: Not found in provided references
Restart Required: No
Instructions:
Check NOKIA security advisories for patch availability and apply immediately when released
🔧 Temporary Workarounds
Input Validation
allImplement strict input validation on UserName parameter to reject SQL special characters
Web Application Firewall
allDeploy WAF with SQL injection protection rules
🧯 If You Can't Patch
- Isolate the vulnerable system from internet access
- Implement network segmentation to limit lateral movement
🔍 How to Verify
Check if Vulnerable:
Test UserName parameter with SQL injection payloads like ' OR '1'='1Check Version:
Check application version through admin interface or configuration filesVerify Fix Applied:
Verify input validation rejects SQL special characters and parameterized queries are used📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts with SQL payloads
Network Indicators:
- HTTP requests containing SQL keywords in UserName parameter
SIEM Query:
search 'UserName' AND ('OR' OR 'UNION' OR 'SELECT' OR 'INSERT' OR 'DELETE')