{"cve":"CVE-2012-4452","nvd":{"published":"2012-10-09T23:55:05.237","modified":"2026-06-16T23:45:07.620","status":"Modified","description":"MySQL 5.0.88, and possibly other versions and platforms, allows local users to bypass certain privilege checks by calling CREATE TABLE on a MyISAM table with modified (1) DATA DIRECTORY or (2) INDEX DIRECTORY arguments that are originally associated with pathnames without symlinks, and that can point to tables created at a future time at which a pathname is modified to contain a symlink to a subdirectory of the MySQL data home directory, related to incorrect calculation of the mysql_unpacked_real_data_home value.  NOTE: this vulnerability exists because of a CVE-2009-4030 regression, which was not omitted in other packages and versions such as MySQL 5.0.95 in Red Hat Enterprise Linux 6.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://rhn.redhat.com/errata/RHSA-2013-0121.html","http://www.openwall.com/lists/oss-security/2012/09/27/1","http://www.securityfocus.com/bid/55715","https://bugzilla.redhat.com/show_bug.cgi?id=860808","http://rhn.redhat.com/errata/RHSA-2013-0121.html"],"products":["oracle:mysql"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-4452","score":0.00398,"percentile":0.34048,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}