FKIE_CVE-2021-20227
Vulnerability from fkie_nvd - Published: 2021-03-23 17:15 - Updated: 2026-10-14 11:16
Severity
Summary
A flaw was found in SQLite's SELECT query functionality (src/select.c). This flaw allows an attacker who is capable of running SQL queries locally on the SQLite database to cause a denial of service or possible code execution by triggering a use-after-free. The highest threat from this vulnerability is to system availability.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| sqlite | sqlite | * | |
| oracle | communications_network_charging_and_control | * | |
| oracle | communications_network_charging_and_control | 6.0.1 | |
| oracle | enterprise_manager_for_oracle_database | 13.4.0.0 | |
| oracle | jd_edwards_enterpriseone_tools | * | |
| oracle | mysql_workbench | * | |
| oracle | outside_in_technology | 8.5.5 | |
| oracle | zfs_storage_appliance_kit | 8.8 |
{
"affected": [
{
"affectedData": [
{
"product": "sqlite",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "sqlite 3.34.1"
}
]
}
],
"source": "secalert@redhat.com"
},
{
"affectedData": [
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V3.1.5",
"status": "affected",
"version": "V3.1.0",
"versionType": "custom"
}
]
}
],
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:sqlite:sqlite:*:*:*:*:*:*:*:*",
"matchCriteriaId": "4323F972-6CFE-4E59-A82B-FB5621827BE3",
"versionEndExcluding": "3.34.1",
"versionStartIncluding": "3.33.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
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"versionEndIncluding": "12.0.4.0.0",
"versionStartIncluding": "12.0.1.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:communications_network_charging_and_control:6.0.1:*:*:*:*:*:*:*",
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"vulnerable": true
},
{
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"versionEndIncluding": "8.0.26",
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},
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],
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}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in SQLite\u0027s SELECT query functionality (src/select.c). This flaw allows an attacker who is capable of running SQL queries locally on the SQLite database to cause a denial of service or possible code execution by triggering a use-after-free. The highest threat from this vulnerability is to system availability."
},
{
"lang": "es",
"value": "Se encontr\u00f3 un fallo en la funcionalidad de consulta SELECT de SQLite (src/select.c).\u0026#xa0;Este fallo permite a un atacante que es capaz de ejecutar consultas SQL localmente en la base de datos SQLite causar una denegaci\u00f3n de servicio o una posible ejecuci\u00f3n de c\u00f3digo desencadenando un uso de la memoria previamente liberada.\u0026#xa0;La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema"
}
],
"id": "CVE-2021-20227",
"lastModified": "2026-10-14T11:16:51.263",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 2.1,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-03-23T17:15:13.747",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
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"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1924886"
},
{
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"url": "https://security.gentoo.org/glsa/202103-04"
},
{
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"url": "https://security.netapp.com/advisory/ntap-20210423-0010/"
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{
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"url": "https://www.oracle.com//security-alerts/cpujul2021.html"
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},
{
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"tags": [
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},
{
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},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
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"value": "CWE-416"
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],
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
}
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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.
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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
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