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Weak Password Recovery Mechanism for Forgotten Password


Severity High
Score 7.8/10


An issue was discovered in Serenity Serene (and StartSharp) prior to 6.7.0. Password reset links are sent by email. A link contains a token that is used to reset the password. This token remains valid even after the password reset and can be used a second time to change the password of the corresponding user. The token expires only 3 hours after issuance and is sent as a query parameter when resetting. An attacker with access to the browser history can thus use the token again to change the password in order to take over the account.

  • LOW
  • HIGH
  • NONE
  • LOW
  • HIGH
  • HIGH

CWE-640 - Weak Password Recovery Mechanism for Forgotten Password

The software contains a mechanism for users to recover or change their passwords without knowing the original password, but the mechanism is weak.


Advisory Timeline

  • Published