$ cve CVE-2021-27928 JSON

CVE-2021-27928 EXPLOIT

7.2

HIGH · CVSS 3.1 · EPSS 38.4% (pctl 99)

Patch early

A public exploit exists.

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.

Scoring

CVSS	7.2 (HIGH, v3.1)
Vector	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS	38.44% — more likely to be exploited than 99% of all CVEs
Weakness	CWE-94
On CISA KEV	no
Public exploit	yes
Published	2021-03-19
Last modified	2026-06-17

Affected (4)

Vendor	Product
debian	debian linux
galeracluster	wsrep
mariadb	mariadb
percona	percona server

Public exploits

Source	Title	Date
exploit-db	MariaDB 10.2 - 'wsrep_provider' OS Command Execution	2021-04-14

References

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