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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2021-2010

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.50 and prior, 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Client accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Client. CVSS 3.1 Base Score 4.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L).

Products
Not specified
Affected versions
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Fixed versions
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CVEs
CVE-2021-2010
Confirmed fixed CVEs
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Updated in this feed
1 Nov 2026, 07:10 UTC · Revision 1

Source evidence

CVE-2021-2010

core-osv · Original source

Published 20 Jan 2021, 15:15 UTC

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.50 and prior, 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Client accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Client. CVSS 3.1 Base Score 4.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L).

osv:CVE-2021-2010
Complete source record
{
  "id": "f7910661fe3be3df27acbbde3030657396a26a66ee44f0a922e56e848227b0a2",
  "url": "https://osv.dev/vulnerability/CVE-2021-2010",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-2010",
    "summary": "Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.50 and prior, 5.7.32 and prior and 8.0.22 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Client accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Client. CVSS 3.1 Base Score 4.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L).",
    "evidence": "osv:CVE-2021-2010",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-2010",
      "aliases": [
        "CVE-2021-2010"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mysql/mysql-server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "9bb243a3fa252257468bbcd98f668bfe15bed48c"
                },
                {
                  "last_affected": "2032b65c44e242a7e452a38bf7626dfacc315b9c"
                },
                {
                  "introduced": "270fd3411e3d671a73ed9725940a30080f59ce6d"
                },
                {
                  "last_affected": "ee4455a33b10f1b1886044322e4893f587b319ed"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.6.0"
                      },
                      {
                        "last_affected": "5.6.50"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.7.0"
                      },
                      {
                        "last_affected": "5.7.32"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "last_affected": "8.0.22"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "mysql-cluster-8.0.22",
            "mysql-8.0.22",
            "mysql-5.6.50",
            "mysql-5.7.32",
            "mysql-5.6.49",
            "mysql-5.7.31",
            "mysql-5.6.48",
            "mysql-5.6.47",
            "mysql-5.6.45",
            "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-2021-2010.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:49.661953184Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CS5THZSGI7O2CZO44NWYE57AG2T7NK3K/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7EAHJPWOOF4D6PEFLXW5IQWRRSZ3HRC/",
        "https://security.gentoo.org/glsa/202105-27",
        "https://security.netapp.com/advisory/ntap-20210622-0001/",
        "https://www.oracle.com/security-alerts/cpujan2021.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  },
                  {
                    "introduced": "33"
                  },
                  {
                    "last_affected": "33"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-2010",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 437045,
  "published_at": "2021-01-20T15:15:45.863+00:00"
}