Is CVE-2021-27928 actively exploited?

CVE-2021-27928 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-27928?

CVE-2021-27928 has a CVSS score of 7.2 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2021-27928?

Patch guidance is available from mariadb security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-27928.

Fix CVE-2021-27928 - HIGH mariadb mariadb

Q: Which products are affected by CVE-2021-27928?

7 products: mariadb mariadb, mariadb mariadb, mariadb mariadb, mariadb mariadb, percona percona server, and 2 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: high
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-94 · Code Injection

Metadata

Primary Vendor: MARIADB
Published: 3/19/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mariadb : mariadbmariadb : mariadbmariadb : mariadbmariadb : mariadbpercona : percona_servergaleracluster : wsrepdebian : debian_linux

Remediation Guidance

Executive Summary

Cite this page

CVE-2021-27928. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2021-27928

View on NIST NVD

CVE-2021-27928 vulnerability