CVE-2017-3305
mysql: incorrect enforcement of ssl-mode=REQUIRED in MySQL 5.5 and 5.6
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · March 17, 2017
Updated · June 28, 2026
Description
It was discovered that the MySQL client command line tools only checked after authentication whether server supported SSL. A man-in-the-middle attacker could use this flaw to hijack client's authentication to the server even if the client was configured to require SSL connection.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.3CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE-319 · Cleartext Transmission of Sensitive Information