CVE-2012-5615
MEDIUMEPSS 96th pctlDescription
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 v2 Vector
No CVSS vector data available.
Exploit Intelligence
Very high risk: more likely to be exploited than 96% of all known CVEs.
References
- http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00016.html
- http://seclists.org/fulldisclosure/2012/Dec/9
- http://secunia.com/advisories/53372
- http://security.gentoo.org/glsa/glsa-201308-06.xml
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:102
- http://www.openwall.com/lists/oss-security/2012/12/02/3
- http://www.openwall.com/lists/oss-security/2012/12/02/4
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html
- https://mariadb.atlassian.net/browse/MDEV-3909
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.