Vulnerability Details : CVE-2021-27928
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.
Vulnerability category: Execute code
Products affected by CVE-2021-27928
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
- cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
- cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
- cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
- cpe:2.3:a:percona:percona_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:galeracluster:wsrep:*:*:*:*:*:mysql:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-27928
3.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-27928
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
NIST |
CWE ids for CVE-2021-27928
-
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-27928
-
https://mariadb.com/kb/en/mariadb-1059-release-notes/
MariaDB 10.5.9 Release Notes - MariaDB Knowledge BaseRelease Notes;Vendor Advisory
-
https://mariadb.com/kb/en/mariadb-10418-release-notes/
MariaDB 10.4.18 Release Notes - MariaDB Knowledge BaseRelease Notes;Vendor Advisory
-
https://mariadb.com/kb/en/mariadb-10328-release-notes/
MariaDB 10.3.28 Release Notes - MariaDB Knowledge BaseRelease Notes;Vendor Advisory
-
https://mariadb.com/kb/en/security/
Security Vulnerabilities Fixed in MariaDB - MariaDB Knowledge BaseVendor Advisory
-
http://packetstormsecurity.com/files/162177/MariaDB-10.2-Command-Execution.html
MariaDB 10.2 Command Execution ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://jira.mariadb.org/browse/MDEV-25179
[MDEV-25179] wsrep_provider and wsrep_notify_cmd system variables are writable - JiraIssue Tracking;Vendor Advisory
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https://mariadb.com/kb/en/mariadb-10237-release-notes/
MariaDB 10.2.37 Release Notes - MariaDB Knowledge BaseRelease Notes;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2021/03/msg00028.html
[SECURITY] [DLA 2605-1] mariadb-10.1 security updateMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202105-28
MariaDB: Multiple vulnerabilities (GLSA 202105-28) — Gentoo securityThird Party Advisory
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