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CVE-2021-27928

HIGH
7.2
CVSS Score
Published: March 19, 2021 at 02:46 AM UTC
Updated: June 17, 2026 at 03:45 AM UTC
4 products affected across 4 vendorsDebian LinuxMariaDBPercona Server

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Severity
HIGH7.2
Exploit prediction
EPSS 38%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux· Debiandrupal
95%
9.0
Wsrep· Galeracluster
95%
v ≤ 2021-03-03
MariaDB· Mariadbnpm
95%
10.2 ≤ v < 10.2.3710.3 ≤ v < 10.3.2810.4 ≤ v < 10.4.1810.5 ≤ v < 10.5.9
Affected range stops below 10.2.37, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.3.28, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.4.18, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.5.9, so it looks safe — our inference, not a vendor statement
Percona Server· Percona
95%
v ≤ 2021-03-03

References (9)

x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/162177/MariaDB-10.2-Command-Execution.html
x_refsource_MISCIssue TrackingVendor Advisory
Source: [email protected]
https://jira.mariadb.org/browse/MDEV-25179
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/03/msg00028.html
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://mariadb.com/kb/en/mariadb-10237-release-notes/
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://mariadb.com/kb/en/mariadb-10328-release-notes/
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://mariadb.com/kb/en/mariadb-10418-release-notes/
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://mariadb.com/kb/en/mariadb-1059-release-notes/
x_refsource_MISCVendor Advisory
Source: [email protected]
https://mariadb.com/kb/en/security/

CVSS

7.2HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-94

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