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Advisories

OpsTree BuildPiper before 2.7.0 OTP Brute Force via password_reset/check_otp

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Severity
critical
Date
Affecting

  • BuildPiper >= 0, < 2.7.0

CWE
  • CWE-307 Improper Restriction of Excessive Authentication Attempts
CVSS
9.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Credit
Neel Saurabh Kotnis
Description
OpsTree BuildPiper before 2.7.0 lacks rate limiting on password-reset OTP verification, allowing unauthenticated attackers to brute force 6-digit OTPs. Attackers can initiate a reset and submit unthrottled guesses to the check_otp endpoint, resetting the target's password and taking over the account.

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