CVE

CVE-2012-2122

5.1

CVSS

Description

sql/password.c in Oracle MySQL 5.1.x before 5.1.63, 5.5.x before 5.5.24, and 5.6.x before 5.6.6, and MariaDB 5.1.x before 5.1.62, 5.2.x before 5.2.12, 5.3.x before 5.3.6, and 5.5.x before 5.5.23, when running in certain environments with certain implementations of the memcmp function, allows remote attackers to bypass authentication by repeatedly authenticating with the same incorrect password, which eventually causes a token comparison to succeed due to an improperly-checked return value.

Attack Vector

Privileges Req.

User Interaction

Updated Sep 18, 2026View on NVD →

S4E scanners

mediumProduct Based Network Vulnerabilities~10 seconds

CVE-2012-2122 Scanner

CVE-2012-2122 Scanner - Authentication Bypass vulnerability in MySQL

Used 3 times · 5.9k assets checked · domain, subdomain, ipv4

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mediumProduct Based Network Vulnerabilities~10 seconds

CVE-2012-2122 Scanner

Detects 'Authentication Bypass' vulnerability in MySQL. This vulnerability allows remote attackers to bypass authentication by repeatedly using incorrect passwords.

Used 2.6k times · 5.9k assets checked · domain, ipv4, subdomain

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