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Security advisory

Type: advisorySources: OSVCVE: CVE-2020-14791

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.21 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 2.2 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L).

Products
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Affected versions
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Fixed versions
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CVEs
CVE-2020-14791
Confirmed fixed CVEs
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Updated in this feed
1 Nov 2026, 04:23 UTC · Revision 1

Source evidence

CVE-2020-14791

core-osv · Original source

Published 21 Oct 2020, 15:15 UTC

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.21 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 2.2 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L).

osv:CVE-2020-14791
Complete source record
{
  "id": "942e250a6ec4f8f786d60d0a680d0069f85f27a4143a4467928ee62e3c9b762a",
  "url": "https://osv.dev/vulnerability/CVE-2020-14791",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-14791",
    "summary": "Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.21 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 2.2 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L).",
    "evidence": "osv:CVE-2020-14791",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2020-14791",
      "aliases": [
        "CVE-2020-14791"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mysql/mysql-server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "270fd3411e3d671a73ed9725940a30080f59ce6d"
                },
                {
                  "last_affected": "f8cdce86448a211511e8a039c62580ae16cb96f5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "last_affected": "8.0.21"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-14791.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:18.225523060Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZU3PA5XJXNQ4C4F6435ARM6WKM3OZYR/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O7RVY2Z7HYQHFJXBGARXUAGKUDAWYPP4/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVS6KNVBZCLZBKNJ5JA2PGAG3NTOJVH6/",
        "https://security.gentoo.org/glsa/202105-27",
        "https://security.netapp.com/advisory/ntap-20201023-0003/",
        "https://www.oracle.com/security-alerts/cpuoct2020.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*",
              "cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:windows:*:*"
            ],
            "vendor_product": "netapp:active_iq_unified_manager",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "7.3"
                  },
                  {
                    "introduced": "9.5"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "31"
                  },
                  {
                    "last_affected": "31"
                  },
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  },
                  {
                    "introduced": "33"
                  },
                  {
                    "last_affected": "33"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-14791",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429725,
  "published_at": "2020-10-21T15:15:19.25+00:00"
}