CVE-2021-2032 Information disclosure in MySQL Server
A low-privileged attacker can gain unauthorized read access to a subset of MySQL Server data via the Information Schema component.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-2032?
CVE-2021-2032 is a medium-severity vulnerability in Mariadb Mariadb, published on 20 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Vulnerability in the MySQL Server product of Oracle MySQL (component: Information Schema). Supported versions that are affected are 5.7.32 and prior and 8.0.22 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).
Which versions are affected by CVE-2021-2032?
3 open source packages ship an affected version, including mariadb, mariadb-min and mysql-client. It affects 5 products.
| Package | Affected | Fixed in |
|---|---|---|
mariadb Bitnami | From 10.0.0 | 10.0.11 |
mariadb-min Bitnami | From 10.0.0 | 10.0.11 |
mysql-client Bitnami | From 10.0.0 | 10.0.11 |
Products include Mariadb Mariadb, Netapp Oncommand Insight, Netapp Oncommand Workflow Automation, Netapp Snapcenter, Oracle Mysql.
How do I fix CVE-2021-2032?
Upgrade mariadb to 10.0.11 or later.
Is CVE-2021-2032 being exploited?
There is no known exploitation of CVE-2021-2032 in the wild and no public exploit code.
Other vulnerabilities in Mariadb Mariadb
- CVE-2026-49261 MariaDB server has unsafe parameter handling in `wsrep_notify_cmd`
- CVE-2026-85746 MariaDB: Out-of-bound buffer write on in `ST_AsText` of nested GeometryCollections
- CVE-2026-85748 MariaDB: Use-after-free with a large number of SYS_REFCURSOR's
- CVE-2026-92262 MariaDB: Numerous issues caused by historical #mysql50# tablename encoding bypass.
- CVE-2023-26785 Code injection in n/a
Sources
Also known as BIT-mariadb-2021-2032, BIT-mariadb-min-2021-2032, BIT-mysql-client-2021-2032, GHSA-cp9c-wg4q-5hjr, UBUNTU-CVE-2021-2032.