CVE-2012-5615
mysql: Remote Preauth User Enumeration flaw
Severity
LowRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · December 1, 2012
Updated · June 28, 2026
Description
Oracle MySQL 5.5.38 and earlier, 5.6.19 and earlier, and MariaDB 5.5.28a, 5.3.11, 5.2.13, 5.1.66, and possibly other versions, generates different error messages with different time delays depending on whether a user name exists, which allows remote attackers to enumerate valid usernames.
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 2.0 · 3.5AV:N/AC:M/Au:S/C:P/I:N/A:N
CWE-209 · Generation of Error Message Containing Sensitive Information