2FA simple bypass

https://portswigger.net/web-security/authentication/multi-factor/lab-2fa-simple-bypass

Level: Apprentice

  • This is just a simple 2FA Bypass, that it.

  • First, start authenticating to see what we can do with it.

  • Okay once we put the password and username, it tells us that an email has been sent to the respective user email.

  • Just to see what I can modify I put the 4-digit pin into it.

  • Nothing interesting for now.

  • Knowing that is a simple 2FA Bypass, I've seen that once you log in with the user credentials there is a /login2

  • So, try to change it to /my-account or /login1 to see what can happen.

  • Just getting out the /login2 you get into the user account, that's how simple it is.

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