vulnerability

Red Hat: CVE-2021-27928: CVE-2021-27928 mariadb: writable system variables allows a database user with SUPER privilege to execute arbitrary code as the system mysql user (Multiple Advisories)

Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
Mar 19, 2021
Added
Apr 20, 2021
Modified
Aug 11, 2025

Description

A remote code execution issue was discovered in MariaDB 10.2 before 10.2.37, 10.3 before 10.3.28, 10.4 before 10.4.18, and 10.5 before 10.5.9; Percona Server through 2021-03-03; and the wsrep patch through 2021-03-03 for MySQL. An untrusted search path leads to eval injection, in which a database SUPER user can execute OS commands after modifying wsrep_provider and wsrep_notify_cmd. NOTE: this does not affect an Oracle product.

Solutions

redhat-upgrade-asio-develredhat-upgrade-galeraredhat-upgrade-galera-debuginforedhat-upgrade-galera-debugsourceredhat-upgrade-judyredhat-upgrade-judy-debuginforedhat-upgrade-judy-debugsourceredhat-upgrade-judy-develredhat-upgrade-mariadbredhat-upgrade-mariadb-backupredhat-upgrade-mariadb-backup-debuginforedhat-upgrade-mariadb-commonredhat-upgrade-mariadb-debuginforedhat-upgrade-mariadb-debugsourceredhat-upgrade-mariadb-develredhat-upgrade-mariadb-embeddedredhat-upgrade-mariadb-embedded-debuginforedhat-upgrade-mariadb-embedded-develredhat-upgrade-mariadb-errmsgredhat-upgrade-mariadb-gssapi-serverredhat-upgrade-mariadb-gssapi-server-debuginforedhat-upgrade-mariadb-oqgraph-engineredhat-upgrade-mariadb-oqgraph-engine-debuginforedhat-upgrade-mariadb-serverredhat-upgrade-mariadb-server-debuginforedhat-upgrade-mariadb-server-galeraredhat-upgrade-mariadb-server-utilsredhat-upgrade-mariadb-server-utils-debuginforedhat-upgrade-mariadb-testredhat-upgrade-mariadb-test-debuginfo
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