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Vulnerability record · CVE-2012-5615 · published 3 December 2012

CVE-2012-5615: Mariadb information exposure vulnerability

Mariadb · Mariadb

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.

5.0 CVSS 2.0 Medium EPSS 15% · top 3.4% CWE-200 · Information exposure
5.0CVSS 2.0 base score
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
22References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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
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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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-5615), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.