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3.3

CVE-2018-3066: High-Risk Flaw in Oracle MySQL Allows Privileged Access

CVE-2018-3066
Summary

Some versions of Oracle MySQL have a security flaw that makes it possible for an attacker with high-level access to the database to modify or read sensitive data without permission. This affects versions 5.5.60 and earlier, 5.6.40 and earlier, and 5.7.22 and earlier. Upgrading to a fixed version is recommended to prevent unauthorized access to your database.

Original title
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Options). Supported versions that are affected are 5.5.60 and prior, 5.6.40 and prior and 5.7.22 and prior. Diffic...
Original description
Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Options). Supported versions that are affected are 5.5.60 and prior, 5.6.40 and prior and 5.7.22 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data as well as unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.0 Base Score 3.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N).
osv CVSS3.1 3.3
Published: 18 Jul 2018 · Updated: 11 Apr 2026 · First seen: 11 Apr 2026