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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2018-3123

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: libmysqld). Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server accessible data. CVSS 3.0 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2018-3123
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 05:22 UTC · Revision 1

Source evidence

CVE-2018-3123

core-osv · Original source

Published 23 Apr 2019, 19:32 UTC

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: libmysqld). Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server accessible data. CVSS 3.0 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

osv:CVE-2018-3123
Complete source record
{
  "id": "d9c8d8d0d0d75ba0c853912a9279d91337bc94653ef12119d4be3d324117d02d",
  "url": "https://osv.dev/vulnerability/CVE-2018-3123",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-3123",
    "summary": "Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: libmysqld). Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Server accessible data. CVSS 3.0 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).",
    "evidence": "osv:CVE-2018-3123",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-3123",
      "aliases": [
        "CVE-2018-3123"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mysql/mysql-server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "4789962c2f451b9bc7e9a1c29598bdea144edc47"
                },
                {
                  "last_affected": "d2029238d6d9f648077664e4cdd611e231a6dc14"
                },
                {
                  "introduced": "270fd3411e3d671a73ed9725940a30080f59ce6d"
                },
                {
                  "last_affected": "e4924f36486f971f8a04252e01c803457a2c72f7"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.6.0"
                      },
                      {
                        "last_affected": "5.6.42"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.7.0"
                      },
                      {
                        "last_affected": "5.7.24"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "last_affected": "8.0.13"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "mysql-5.7.24",
            "mysql-5.6.42",
            "mysql-8.0.13",
            "mysql-5.6.40",
            "mysql-5.1.4",
            "mysql-4.0.4",
            "mysql-4.0.2",
            "mysql-3.23.36",
            "mysql-3.23.33",
            "mysql-3.23.32",
            "mysql-3.23.31",
            "mysql-3.23.30-gamma",
            "mysql-3.23.28-gamma",
            "mysql-3.23.22-beta"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-3123.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:27.785077761Z",
      "provider": "osv",
      "references": [
        "https://support.f5.com/csp/article/K58502649"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-3123",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431899,
  "published_at": "2019-04-23T19:32:02.553+00:00"
}