VULNERABILITY INTELLIGENCE

CVE-2015-3152

CVSS score5.9 MEDIUM
EPSS probability7.08%
CISA KEVNot currently listed
Published2016-05-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

Weakness classification

  • CWE-295: Improper Certificate Validation

Primary references