Brute-Forcing of Second Factor Mechanisms via Improper Restriction of Authentication Attempts

CVE-2024-28833

Summary

The vulnerability in Checkmk pertains to improper restriction of excessive authentication attempts whereby attackers can exploit weaknesses in the two-factor authentication process. Versions of Checkmk prior to 2.3.0p6 are susceptible to brute-force attacks against the second factor, allowing unauthorized access intentions to circumvent normal security controls. This flaw underscores the necessity for robust authentication protocols and stricter limits on login attempts to thwart potential exploitation.

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