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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-2574

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.46 and prior, 5.7.28 and prior and 8.0.18 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. CVSS 3.0 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2020-2574
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 09:29 UTC · Revision 1

Source evidence

CVE-2020-2574

core-osv · Original source

Published 15 Jan 2020, 17:15 UTC

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.46 and prior, 5.7.28 and prior and 8.0.18 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. CVSS 3.0 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

osv:CVE-2020-2574
Complete source record
{
  "id": "5b71c189da14e47aeabdc805f3682ac3ec4ce3d4ab97333424dfcf52873a9456",
  "url": "https://osv.dev/vulnerability/CVE-2020-2574",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-2574",
    "summary": "Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.46 and prior, 5.7.28 and prior and 8.0.18 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. CVSS 3.0 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).",
    "evidence": "osv:CVE-2020-2574",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-2574",
      "aliases": [
        "BIT-mariadb-2020-2574",
        "BIT-mariadb-min-2020-2574",
        "BIT-mysql-client-2020-2574",
        "CVE-2020-2574"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mariadb/server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5bfe1a3917ee1bddc7f2cde0c88961875148873c"
                },
                {
                  "fixed": "4d1c1b23e1373bbd4e72f524e855f1db076d2c73"
                },
                {
                  "introduced": "c235de12ae3723b96944337bd89ad9cc87f21d8f"
                },
                {
                  "fixed": "84d4005bad1abc45c5baac581ae26a563dea14bb"
                },
                {
                  "introduced": "9664240c948a92c22ccda0e1f5a420eb776ddcb1"
                },
                {
                  "fixed": "0a891ad6a6ba698484ba71171c3aa793705b8c6a"
                },
                {
                  "introduced": "20ae591abd0bfe1bfaee546989ee163f4ef832b1"
                },
                {
                  "fixed": "0152704ae3f857668dbc05803950adcf131b8685"
                },
                {
                  "introduced": "c761b43451d54eeeecdf3c102906fcce88d4e9d9"
                },
                {
                  "fixed": "ba6bfc402c352372cc1a9ec20b5dc50b2204549f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.5.0"
                      },
                      {
                        "fixed": "5.5.67"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "10.1.0"
                      },
                      {
                        "fixed": "10.1.44"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "10.2.0"
                      },
                      {
                        "fixed": "10.2.31"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "10.3.0"
                      },
                      {
                        "fixed": "10.3.22"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "10.4.0"
                      },
                      {
                        "fixed": "10.4.12"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "mariadb-10.2.27",
            "mariadb-10.3.21",
            "mariadb-10.2.13",
            "mariadb-10.3.16",
            "mariadb-10.3.17",
            "mariadb-10.3.10",
            "mariadb-10.4.11",
            "mariadb-10.2.30",
            "mariadb-10.4.10",
            "mariadb-10.3.20",
            "mariadb-10.2.29",
            "mariadb-10.1.43",
            "mariadb-10.4.9",
            "mariadb-10.3.19",
            "mariadb-10.2.28",
            "mariadb-10.1.42",
            "mariadb-10.3.18",
            "mariadb-10.4.7",
            "mariadb-10.2.26",
            "mariadb-10.1.41",
            "mariadb-10.2.25",
            "mariadb-10.2.24",
            "mariadb-10.4.5",
            "mariadb-10.1.39",
            "mariadb-10.4.4",
            "mariadb-10.2.23",
            "mariadb-10.4.3",
            "mariadb-10.2.22",
            "mariadb-10.1.38",
            "mariadb-10.3.12",
            "mariadb-10.2.21",
            "mariadb-10.2.20",
            "mariadb-10.2.19",
            "mariadb-10.1.37",
            "mariadb-10.2.18",
            "mariadb-10.1.35",
            "mariadb-10.2.16",
            "mariadb-10.1.34",
            "mariadb-10.3.7",
            "mariadb-10.2.15",
            "mariadb-10.1.33",
            "mariadb-10.3.6",
            "mariadb-10.2.14",
            "mariadb-10.1.32",
            "mariadb-10.3.5",
            "mariadb-10.1.31",
            "mariadb-10.3.4",
            "mariadb-10.2.12",
            "mariadb-10.1.30",
            "mariadb-10.2.11",
            "mariadb-10.1.29",
            "mariadb-10.2.10",
            "mariadb-10.3.2",
            "mariadb-10.1.28",
            "mariadb-10.1.27",
            "mariadb-10.3.1",
            "mariadb-10.1.26",
            "mariadb-10.1.25",
            "mariadb-10.1.24",
            "mariadb-10.1.23",
            "mariadb-10.2.5",
            "mariadb-10.3.0",
            "mariadb-10.1.22",
            "mariadb-10.1.21",
            "mariadb-10.1.20",
            "mariadb-10.1.19",
            "mariadb-10.1.18",
            "mariadb-10.2.2",
            "mariadb-10.1.17",
            "mariadb-10.1.16",
            "mariadb-10.2.1",
            "mariadb-10.1.15",
            "mariadb-10.1.14",
            "mariadb-10.2.0",
            "mariadb-10.1.13",
            "mariadb-10.1.12",
            "mariadb-10.1.11",
            "mariadb-10.1.10",
            "mariadb-10.1.9",
            "mariadb-10.1.8",
            "mariadb-10.1.7",
            "mariadb-10.1.6",
            "mariadb-10.1.5",
            "mariadb-10.1.4",
            "mariadb-10.1.3",
            "mariadb-10.1.2",
            "mariadb-10.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-2574.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-2574-247b795c",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "252433806933085366420702721037503420292",
                    "261544691523631321679142379015874160011",
                    "7699705637444748925595608774843986708",
                    "115470899182411156247643435634697836284"
                  ]
                },
                "source": "https://github.com/mariadb/server/commit/4d1c1b23e1373bbd4e72f524e855f1db076d2c73",
                "target": {
                  "file": "sql-common/client.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-2574-5f1af619",
                "digest": {
                  "length": 2164,
                  "function_hash": "262053342286479299849123738816776712772"
                },
                "source": "https://github.com/mariadb/server/commit/4d1c1b23e1373bbd4e72f524e855f1db076d2c73",
                "target": {
                  "file": "sql/sql_acl.cc",
                  "function": "send_server_handshake_packet"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-2574-8dedec31",
                "digest": {
                  "length": 13090,
                  "function_hash": "70481074292795631243999841673834314101"
                },
                "source": "https://github.com/mariadb/server/commit/4d1c1b23e1373bbd4e72f524e855f1db076d2c73",
                "target": {
                  "file": "sql-common/client.c",
                  "function": "CLI_MYSQL_REAL_CONNECT"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-2574-a4b6dbc3",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "99489612520137149134503524235614005584",
                    "231833035654469486984772267667153937447",
                    "64006901634916951289469580350286748865",
                    "162251870262657824737368113910973120880"
                  ]
                },
                "source": "https://github.com/mariadb/server/commit/4d1c1b23e1373bbd4e72f524e855f1db076d2c73",
                "target": {
                  "file": "sql/sql_acl.cc"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-24T14:50:57Z"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/mysql/mysql-server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "9c3a49ec84b521cb0b35383f119099b2eb25d4ff"
                },
                {
                  "last_affected": "b2f3214ae2b4a250d3b8a7b7a61037f89b5dc9b1"
                },
                {
                  "introduced": "270fd3411e3d671a73ed9725940a30080f59ce6d"
                },
                {
                  "last_affected": "91a17cedb1ee880fe7915fb14cfd74c04e8d6588"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.6.0"
                      },
                      {
                        "last_affected": "5.6.46"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.7.0"
                      },
                      {
                        "last_affected": "5.7.28"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "last_affected": "8.0.18"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "mysql-5.6.46",
            "mysql-cluster-8.0.18",
            "mysql-8.0.18",
            "mysql-5.7.28",
            "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-2020-2574.json"
          }
        }
      ],
      "modified": "2026-10-24T14:50:57.277968927Z",
      "provider": "osv",
      "references": [
        "https://security.gentoo.org/glsa/202105-27",
        "https://security.netapp.com/advisory/ntap-20200122-0002/",
        "https://usn.ubuntu.com/4250-1/",
        "https://usn.ubuntu.com/4250-2/",
        "https://www.oracle.com/security-alerts/cpujan2020.html"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "mariadb:mariadb",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "5.5.0"
                  },
                  {
                    "fixed": "5.5.67"
                  },
                  {
                    "introduced": "10.1.0"
                  },
                  {
                    "fixed": "10.1.44"
                  },
                  {
                    "introduced": "10.2.0"
                  },
                  {
                    "fixed": "10.2.31"
                  },
                  {
                    "introduced": "10.3.0"
                  },
                  {
                    "fixed": "10.3.22"
                  },
                  {
                    "introduced": "10.4.0"
                  },
                  {
                    "fixed": "10.4.12"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*"
            ],
            "vendor_product": "canonical:ubuntu_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "16.04"
                  },
                  {
                    "last_affected": "16.04"
                  },
                  {
                    "introduced": "18.04"
                  },
                  {
                    "last_affected": "18.04"
                  },
                  {
                    "introduced": "19.10"
                  },
                  {
                    "last_affected": "19.10"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
            ],
            "vendor_product": "opensuse:leap",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "15.1"
                  },
                  {
                    "last_affected": "15.1"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-2574",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 443839,
  "published_at": "2020-01-15T17:15:18.583+00:00"
}