1. Web Security Academy
  2. Authentication vulnerabilities
  3. Multi-factor
  4. Lab

Lab: 2FA broken logic

PRACTITIONER

This lab's two-factor authentication is vulnerable due to its flawed logic. To solve the lab, access Carlos's account page.

  • Your credentials: wiener:peter
  • Victim's username: carlos

You also have access to the email server to receive your 2FA verification code.

Register for free to track your learning progress

The benefits of working through PortSwigger's Web Security Academy
  • Practise exploiting vulnerabilities on realistic targets.

  • Record your progression from Apprentice to Expert.

  • See where you rank in our Hall of Fame.

Already got an account? Login here