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Vulnerability record · CVE-2020-15180 · published 27 May 2021

CVE-2020-15180: Mariadb improper input validation vulnerability

Mariadb · Mariadb

A flaw was found in the mysql-wsrep component of mariadb. Lack of input sanitization in `wsrep_sst_method` allows for command injection that can be exploited by a remote attacker to execute arbitrary commands on galera cluster nodes. This threatens the system's confidentiality, integrity, and availability. This flaw affects mariadb versions before 10.1.47, before 10.2.34, before 10.3.25, before 10.4.15 and before 10.5.6.

9.0 CVSS 3.1 Critical EPSS 5.5% · top 7.4% CWE-20 · Improper input validationCWE-77 · Command injection
9.0CVSS 3.1 base score, v2 6.8
5.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

A flaw was found in the mysql-wsrep component of mariadb. Lack of input sanitization in `wsrep_sst_method` allows for command injection that can be exploited by a remote attacker to execute arbitrary commands on galera cluster nodes. This threatens the system's confidentiality, integrity, and availability. This flaw affects mariadb versions before 10.1.47, before 10.2.34, before 10.3.25, before 10.4.15 and before 10.5.6.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

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

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=1894919 Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00021.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202011-14 Third Party Advisory
https://www.debian.org/security/2020/dsa-4776 Third Party Advisory
https://www.percona.com/blog/2020/10/30/cve-2020-15180-affects-percona-xtradb-cluster/ PatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1894919 Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00021.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202011-14 Third Party Advisory
https://www.debian.org/security/2020/dsa-4776 Third Party Advisory
https://www.percona.com/blog/2020/10/30/cve-2020-15180-affects-percona-xtradb-cluster/ PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-15180), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.