Brute Force Authentication Bypass in IBM i

Executive Summary

This vulnerability allows a remote attacker to perform brute-force attacks to obtain credentials due to improper authentication in IBM i versions 7.3, 7.4, 7.5, and 7.6.

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Impact Analysis

An attacker could exploit this to gain unauthorized access to systems or data by guessing valid credentials through repeated attempts.

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Compliance Impact

This vulnerability may violate compliance requirements that mandate strong authentication and protection against unauthorized access, such as GDPR or HIPAA.

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Mitigation Strategies

Enable account lockout policies after a set number of failed login attempts to prevent brute-force attacks. Ensure strong password policies are enforced for all user accounts. Monitor authentication logs for suspicious activity such as repeated failed login attempts.

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