Description

Oracle MySQL before 5.7.3, Oracle MySQL Connector/C (aka libmysqlclient) before 6.1.3, and MariaDB before 5.5.44 use the --ssl option to mean that SSL is optional, which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack, aka a "BACKRONYM" attack.

Remediation

References

CVE-2015-3152

Related Vulnerabilities

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IBM WebSEAL Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2018-1886)

Ruby on Rails Improper Input Validation Vulnerability (CVE-2013-1854)

Oracle Database Server CVE-2019-2734 Vulnerability (CVE-2019-2734)

MySQL Uncontrolled Resource Consumption Vulnerability (CVE-2025-50088)

Severity

Medium

Classification

CVE-2015-3152 CWE-284 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Tags

Missing Update Known Vulnerabilities