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kb:cs:software-vulnerabilities

Software Vulnerabilities

A software vulnerability is a weakness that may allow unintended or unauthorized behavior.

Common Categories

  • Authentication flaws
  • Authorization flaws
  • Injection vulnerabilities
  • Memory corruption
  • Insecure defaults
  • Sensitive data exposure
  • Dependency vulnerabilities

Vulnerability Lifecycle

  1. Discovery
  2. Validation
  3. Severity assessment
  4. Remediation
  5. Verification
  6. Disclosure or closure

Severity

Typical severity categories:

Severity Description
Critical Immediate major impact or exploitation
High Significant security risk
Medium Important but constrained risk
Low Limited practical impact
Informational Improvement opportunity
kb/cs/software-vulnerabilities.txt · Last modified: 2026/05/08 20:25 by joerg.hampel