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Understanding Security Findings

Learn to interpret CortexEDR security findings effectively. Understand vulnerability patterns, risk assessment, and how to prioritize remediation efforts for maximum security impact.

🔍 Common Vulnerability Patterns

Injection Attacks

SQL Injection

Malicious SQL code execution through user input. Most common web vulnerability.

Impact: Data theft, modification, deletion

Command Injection

System command execution through unsanitized input.

Impact: Server compromise, lateral movement

Authentication Issues

Broken Authentication

Flawed session management or credential handling.

Impact: Account takeover, data breach

Weak Password Policies

Insufficient password requirements or enforcement.

Impact: Brute force attacks, credential stuffing

📊 Severity Assessment Framework

Risk Scoring Methodology

9.0-10.0
Critical
Immediate action required
7.0-8.9
High
Fix within 30 days
4.0-6.9
Medium
Fix within 90 days

Impact Factors

Data Exposure:High Impact
System Compromise:High Impact
Service Disruption:Medium Impact
Information Leakage:Low Impact

Exploitability Factors

Remote Code Execution:High Risk
No Authentication Required:High Risk
Complex Attack Vector:Low Risk
Requires Special Access:Low Risk

🏷️ CWE Classification System

Common Weakness Enumeration (CWE) provides a standardized way to categorize software weaknesses. Understanding CWE IDs helps prioritize remediation based on industry standards.

Critical CWE Categories

CWE-79Critical
Cross-site Scripting (XSS)
CWE-89Critical
SQL Injection
CWE-287High
Improper Authentication

Common CWE Patterns

CWE-200Info Leak
Information Exposure
CWE-400DoS
Uncontrolled Resource Consumption
CWE-502Deserialization
Deserialization of Untrusted Data

CWE Research Resources

CWE Top 25CWE DatabaseCWE XMLAbout CWE

🎯 Distinguishing Real Issues from False Positives

✅ Likely Real Issues

Direct User Input

Code that directly uses unsanitized user input in SQL queries, HTML output, or system commands.

Known Vulnerable Patterns

Code that matches well-known vulnerable patterns from security databases.

Privilege Escalation

Code that allows unauthorized access to sensitive resources or functions.

⚠️ Potential False Positives

Sanitized Input

Input that has been properly validated, escaped, or parameterized.

Internal/Trusted Data

Data from internal systems or trusted sources that cannot be manipulated by users.

Dead/Test Code

Code that is unreachable, in test files, or not deployed to production.

Verification Checklist

For SQL Injection Findings:

  • • Is input parameterized?
  • • Are prepared statements used?
  • • Is input properly escaped?
  • • Is user input validated?

For XSS Findings:

  • • Is output properly escaped?
  • • Is Content Security Policy set?
  • • Is input sanitized?
  • • Are templates secure?

🎯 Remediation Prioritization Strategy

Priority Matrix

ImpactHigh ExploitabilityMedium ExploitabilityLow Exploitability
Critical ImpactP0 - Fix ImmediatelyP0 - Fix ImmediatelyP1 - Fix This Sprint
High ImpactP1 - Fix This SprintP2 - Fix Next SprintP3 - Plan for Later
Medium ImpactP2 - Fix Next SprintP3 - Plan for LaterP4 - Technical Debt

P0 - Critical

Active exploitation possible. Fix immediately, potentially deploy out-of-band.

P1 - High

High risk vulnerabilities. Include in current sprint planning.

P2 - Medium

Moderate risk issues. Plan for next sprint or release cycle.

Understanding Findings

→ Fixing Vulnerabilities→ Reading Security Reports→ Security Best Practices

Risk Assessment

Likelihood:High
Impact:Critical
Overall Risk:Critical

Common CWE IDs

CWE-79XSS
CWE-89SQL Injection
CWE-287Auth Issues
CWE-200Info Leak

Investigation Steps

1. Review the finding details
2. Understand the attack vector
3. Check for existing mitigations
4. Assess exploitability
5. Determine remediation priority

Resources

→ CWE Database→ OWASP Resources→ NIST Vulnerability DB