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Bypass two-factor authentication

Low
C
Cloudflare Public Bug Bounty
Submitted None

Team Summary

Official summary from Cloudflare Public Bug Bounty

Due to lack of validation, a malicious actor could brute force OTP 2fa and guess a correct number after multiple failures. The issue was fixed by the Engineering team by implementing restrictions on 2FA attempts.

Reported by ydvanjali

Report Details

Additional information and metadata

State

Closed

Substate

Resolved

Bounty

$250.00

Submitted

Weakness

Improper Authentication - Generic