CVE-2021-27928 (GCVE-0-2021-27928)
Vulnerability from cvelistv5 – Published: 2021-03-19 02:46 – Updated: 2024-08-03 21:33
VLAI
EPSS
VEX
Summary
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.
Severity
7.2 (High)
CWE
- n/a
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://mariadb.com/kb/en/security/ | x_refsource_MISC |
| https://jira.mariadb.org/browse/MDEV-25179 | x_refsource_MISC |
| https://mariadb.com/kb/en/mariadb-10237-release-notes/ | x_refsource_MISC |
| https://mariadb.com/kb/en/mariadb-10328-release-notes/ | x_refsource_MISC |
| https://mariadb.com/kb/en/mariadb-10418-release-notes/ | x_refsource_MISC |
| https://mariadb.com/kb/en/mariadb-1059-release-notes/ | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| http://packetstormsecurity.com/files/162177/Maria… | x_refsource_MISC |
| https://security.gentoo.org/glsa/202105-28 | vendor-advisoryx_refsource_GENTOO |
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NOTE: this does not affect an Oracle product.\"},{\"lang\":\"es\",\"value\":\"Se detect\u00f3 un problema de ejecuci\u00f3n de c\u00f3digo remota en MariaDB versiones 10.2 anteriores a 10.2.37, versiones 10.3 anteriores a 10.3.28, versiones 10.4 anteriores a 10.4.18 y versiones 10.5 anteriores a 10.5.9;\u0026#xa0;Percona Server versiones hasta el 03-03-2021;\u0026#xa0;y el parche de wsrep versiones hasta el 03-03-2021 para MySQL.\u0026#xa0;Una ruta de b\u00fasqueda que no es confiable conlleva a una inyecci\u00f3n eval, en la que un usuario SUPER de la base de datos puede ejecutar comandos del Sistema Operativo despu\u00e9s de modificar las funciones wsrep_provider y wsrep_notify_cmd.\u0026#xa0;NOTA: esto no afecta a un producto de Oracle\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.2,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.2,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:C/I:C/A:C\",\"baseScore\":9.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":8.0,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-94\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"10.2\",\"versionEndExcluding\":\"10.2.37\",\"matchCriteriaId\":\"C6D44606-A656-4DAA-8053-9ECD76D71D22\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"10.3\",\"versionEndExcluding\":\"10.3.28\",\"matchCriteriaId\":\"A3EB49AE-1CEF-4777-92DD-08E95CB3FA07\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"10.4\",\"versionEndExcluding\":\"10.4.18\",\"matchCriteriaId\":\"D895AA3B-6BE4-4EB9-A915-03E3B8F2C2F0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"10.5\",\"versionEndExcluding\":\"10.5.9\",\"matchCriteriaId\":\"6BBD522D-BF25-4B6B-96C8-09FEE94018AA\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:percona:percona_server:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2021-03-03\",\"matchCriteriaId\":\"EC14B9A6-C36B-4638-BCAE-F358F69FE8C3\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:galeracluster:wsrep:*:*:*:*:*:mysql:*:*\",\"versionEndIncluding\":\"2021-03-03\",\"matchCriteriaId\":\"1DAC147D-1014-49E4-821D-2AA46DBAE5E3\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]}],\"references\":[{\"url\":\"http://packetstormsecurity.com/files/162177/MariaDB-10.2-Command-Execution.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://jira.mariadb.org/browse/MDEV-25179\",\"source\":\"cve@mitre.org\",\"tags\":[\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/03/msg00028.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://mariadb.com/kb/en/mariadb-10237-release-notes/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://mariadb.com/kb/en/mariadb-10328-release-notes/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://mariadb.com/kb/en/mariadb-10418-release-notes/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://mariadb.com/kb/en/mariadb-1059-release-notes/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://mariadb.com/kb/en/security/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202105-28\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://packetstormsecurity.com/files/162177/MariaDB-10.2-Command-Execution.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://jira.mariadb.org/browse/MDEV-25179\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2021/03/msg00028.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://mariadb.com/kb/en/mariadb-10237-release-notes/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://mariadb.com/kb/en/mariadb-10328-release-notes/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://mariadb.com/kb/en/mariadb-10418-release-notes/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://mariadb.com/kb/en/mariadb-1059-release-notes/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://mariadb.com/kb/en/security/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202105-28\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2026-06-28T07:45:00+00:00",
"cve": "CVE-2021-27928",
"id": "CVE-2021-27928",
"initial_release_date": "2021-03-19T00:00:00+00:00",
"product_status:fixed": "722",
"product_status:known_not_affected": "97",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "mariadb: writable system variables allows a database user with SUPER privilege to execute arbitrary code as the system mysql user",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-27928.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-09-04T00:46:53Z",
"cve": "CVE-2021-27928",
"id": "CVE-2021-27928",
"initial_release_date": "2023-02-15T03:44:18Z",
"product_status:known_not_affected": "42",
"product_status:recommended": "442",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-27928",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-27928.json",
"version": "21"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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