Security advisory
Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.26 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Connectors accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors. CVSS 3.1 Base Score 5.9 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H).
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-2471
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:35 UTC · Revision 1
Source evidence
Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.26 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Connectors accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors. CVSS 3.1 Base Score 5.9 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H).
osv:CVE-2021-2471
Complete source record
{
"id": "9f5ddb7b553e0e7a5afc2472ba1428736d4ca4700dd4fd7a4f58f90147e4e2c9",
"url": "https://osv.dev/vulnerability/CVE-2021-2471",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-2471",
"summary": "Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/J). Supported versions that are affected are 8.0.26 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Connectors accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors. CVSS 3.1 Base Score 5.9 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H).",
"evidence": "osv:CVE-2021-2471",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-2471",
"aliases": [
"CVE-2021-2471",
"GHSA-w6f2-8wx4-47r5"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/quarkusio/quarkus",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "d0ffa05fe8b8fb258d6c177ff0427dd71d7d5210"
},
{
"introduced": "62bc0131470927666affac57e77a728bcf487621"
},
{
"fixed": "8c34d22c410ba3f16023e7c9d5e5f562ed0120c6"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.2.4"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.3.0"
},
{
"fixed": "2.6.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-2471.json"
}
}
],
"modified": "2026-10-24T10:30:20.504071608Z",
"provider": "osv",
"references": [
"https://www.oracle.com/security-alerts/cpuapr2022.html",
"https://www.oracle.com/security-alerts/cpuoct2021.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:oracle:mysql_connectors:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:mysql_connectors",
"extracted_events": [
{
"range": [
{
"introduced": "8.0.0"
},
{
"last_affected": "8.0.26"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_cloud_native_core_console:1.9.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_cloud_native_core_console",
"extracted_events": [
{
"range": [
{
"introduced": "1.9.0"
},
{
"last_affected": "1.9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_cloud_native_core_network_slice_selection_function:1.8.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_cloud_native_core_network_slice_selection_function",
"extracted_events": [
{
"range": [
{
"introduced": "1.8.0"
},
{
"last_affected": "1.8.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.15.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_cloud_native_core_policy",
"extracted_events": [
{
"range": [
{
"introduced": "1.15.0"
},
{
"last_affected": "1.15.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_cloud_native_core_security_edge_protection_proxy:1.7.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_cloud_native_core_security_edge_protection_proxy",
"extracted_events": [
{
"range": [
{
"introduced": "1.7.0"
},
{
"last_affected": "1.7.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-2471",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430288,
"published_at": "2021-10-20T11:16:17.117+00:00"
}