Description
ext/mysqlnd/mysqlnd.c in PHP before 5.4.43, 5.5.x before 5.5.27, and 5.6.x before 5.6.11 uses a client SSL option to mean that SSL is optional, which allows man-in-the-middle attackers to spoof servers via a cleartext-downgrade attack, a related issue to CVE-2015-3152.
Remediation
References
Related Vulnerabilities
WordPress Plugin GD Rating System Cross-Site Scripting (2.0.2)
Next.js User Interface (UI) Misrepresentation of Critical Information Vulnerability (CVE-2022-23646)
Drupal Core 7.x Multiple Vulnerabilities (7.0 - 7.56)
Drupal Insufficient Verification of Data Authenticity Vulnerability (CVE-2016-9450)