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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}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"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"
}
],
"id": "CVE-2021-27928",
"lastModified": "2024-11-21T05:58:50.473",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "COMPLETE",
"baseScore": 9.0,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 10.0,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.2,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-03-19T03:15:12.427",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://packetstormsecurity.com/files/162177/MariaDB-10.2-Command-Execution.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://jira.mariadb.org/browse/MDEV-25179"
},
{
"source": "cve@mitre.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00028.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Vendor 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": [
"Vendor Advisory"
],
"url": "https://mariadb.com/kb/en/security/"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202105-28"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://packetstormsecurity.com/files/162177/MariaDB-10.2-Command-Execution.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Vendor Advisory"
],
"url": "https://jira.mariadb.org/browse/MDEV-25179"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00028.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Vendor 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": [
"Vendor Advisory"
],
"url": "https://mariadb.com/kb/en/security/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202105-28"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-94"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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