CWE-307

Improper Restriction of Excessive Authentication Attempts

High

Description

The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.

Potential Impact

How to Fix

Architecture and Design

Common protection mechanisms include: Disconnecting the user after a small number of failed attempts Implementing a timeout Locking out a targeted account Requiring a computational task on the user's part.

Architecture and Design

Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482]. Consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator. [REF-45]

Detection Methods

Related Weaknesses

References

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