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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2021-2226

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high privileged 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 3.1 Base Score 4.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2021-2226
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 08:23 UTC · Revision 1

Source evidence

CVE-2021-2226

core-osv · Original source

Published 22 Apr 2021, 22:15 UTC

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high privileged 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 3.1 Base Score 4.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).

osv:CVE-2021-2226
Complete source record
{
  "id": "3569ef78d4577cc3a31ffb711107c4dba6276cfdb77c8854dabbd3c148198517",
  "url": "https://osv.dev/vulnerability/CVE-2021-2226",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-2226",
    "summary": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Easily exploitable vulnerability allows high privileged 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 3.1 Base Score 4.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).",
    "evidence": "osv:CVE-2021-2226",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-2226",
      "aliases": [
        "CVE-2021-2226"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/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": "e5d189ecb9465f4be6235109dd3dbcaab01ddc53"
                },
                {
                  "introduced": "270fd3411e3d671a73ed9725940a30080f59ce6d"
                },
                {
                  "last_affected": "7ed30a748964c009d4909cb8b4b22036ebdef239"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.7.0"
                      },
                      {
                        "last_affected": "5.7.33"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "last_affected": "8.0.23"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "mysql-cluster-8.0.23",
            "mysql-8.0.23",
            "mysql-5.7.33",
            "mysql-5.7.32",
            "mysql-5.7.31",
            "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-2021-2226.json"
          }
        }
      ],
      "modified": "2026-10-24T10:31:06.818308973Z",
      "provider": "osv",
      "references": [
        "https://security.netapp.com/advisory/ntap-20210513-0002/",
        "https://www.oracle.com/security-alerts/cpuapr2021.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-2226",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 441064,
  "published_at": "2021-04-22T22:15:14.99+00:00"
}