Vulnerability-Lookup

ubuntu-cve-2021-20326

Vulnerability from osv_ubuntu

Published

2021-04-30 09:15

Modified

2025-10-24 04:50

Summary

Details

A user authorized to performing a specific type of find query may trigger a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.4.

Severity

6.5 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

6.5 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2021-20326	REPORT
	https://jira.mongodb.org/browse/SERVER-53929	REPORT
	https://www.cve.org/CVERecord?id=CVE-2021-20326	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mongodb",
            "binary_version": "1:2.4.9-1ubuntu2"
          },
          {
            "binary_name": "mongodb-clients",
            "binary_version": "1:2.4.9-1ubuntu2"
          },
          {
            "binary_name": "mongodb-dev",
            "binary_version": "1:2.4.9-1ubuntu2"
          },
          {
            "binary_name": "mongodb-server",
            "binary_version": "1:2.4.9-1ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "mongodb",
        "purl": "pkg:deb/ubuntu/mongodb@1:2.4.9-1ubuntu2?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.4.6-0ubuntu5",
        "1:2.4.6-0ubuntu6",
        "1:2.4.8-1ubuntu1",
        "1:2.4.8-2",
        "1:2.4.9-1",
        "1:2.4.9-1ubuntu1",
        "1:2.4.9-1ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mongodb",
            "binary_version": "1:2.6.10-0ubuntu1"
          },
          {
            "binary_name": "mongodb-clients",
            "binary_version": "1:2.6.10-0ubuntu1"
          },
          {
            "binary_name": "mongodb-server",
            "binary_version": "1:2.6.10-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "mongodb",
        "purl": "pkg:deb/ubuntu/mongodb@1:2.6.10-0ubuntu1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:2.6.10-0ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mongodb",
            "binary_version": "1:3.6.3-0ubuntu1.4"
          },
          {
            "binary_name": "mongodb-clients",
            "binary_version": "1:3.6.3-0ubuntu1.4"
          },
          {
            "binary_name": "mongodb-server",
            "binary_version": "1:3.6.3-0ubuntu1.4"
          },
          {
            "binary_name": "mongodb-server-core",
            "binary_version": "1:3.6.3-0ubuntu1.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "mongodb",
        "purl": "pkg:deb/ubuntu/mongodb@1:3.6.3-0ubuntu1.4?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:3.4.7-1",
        "1:3.4.7-1ubuntu1",
        "1:3.4.7-1ubuntu2",
        "1:3.4.7-1ubuntu4",
        "1:3.4.14-3ubuntu1",
        "1:3.4.14-3ubuntu2",
        "1:3.6.3-0ubuntu1",
        "1:3.6.3-0ubuntu1.1",
        "1:3.6.3-0ubuntu1.3",
        "1:3.6.3-0ubuntu1.4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mongodb",
            "binary_version": "1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3"
          },
          {
            "binary_name": "mongodb-clients",
            "binary_version": "1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3"
          },
          {
            "binary_name": "mongodb-server",
            "binary_version": "1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3"
          },
          {
            "binary_name": "mongodb-server-core",
            "binary_version": "1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "mongodb",
        "purl": "pkg:deb/ubuntu/mongodb@1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu2",
        "1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5",
        "1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.2",
        "1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3"
      ]
    }
  ],
  "aliases": [],
  "details": "A user authorized to performing a specific type of find query may trigger a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.4.",
  "id": "UBUNTU-CVE-2021-20326",
  "modified": "2025-10-24T04:50:06Z",
  "published": "2021-04-30T09:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-20326"
    },
    {
      "type": "REPORT",
      "url": "https://jira.mongodb.org/browse/SERVER-53929"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-20326"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-20326"
  ],
  "withdrawn": "2026-02-19T16:58:35Z"
}

CVE-2021-20326 (GCVE-0-2021-20326)

Vulnerability from cvelistv5 – Published: 2021-04-30 09:10 – Updated: 2024-11-19 14:57

Title

Specially crafted query may result in a denial of service of mongod

Summary

A user authorized to performing a specific type of find query may trigger a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.4.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-20 - Improper Input Validation

Assigner

mongodb

References

1 reference

URL	Tags
https://jira.mongodb.org/browse/SERVER-53929	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
MongoDB Inc.	MongoDB Server	Affected: 4.4 , < 4.4.4 (custom)

Date Public

2021-04-29 23:00

Credits

Adrien Petel

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:37:23.931Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jira.mongodb.org/browse/SERVER-53929"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-20326",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-01-26T19:08:59.905371Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-19T14:57:30.781Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "MongoDB Server",
          "vendor": "MongoDB Inc.",
          "versions": [
            {
              "lessThan": "4.4.4",
              "status": "affected",
              "version": "4.4",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Adrien Petel"
        }
      ],
      "datePublic": "2021-04-29T23:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eA user authorized to performing a specific type of find query may trigger a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.4.\u003c/p\u003e"
            }
          ],
          "value": "A user authorized to performing a specific type of find query may trigger a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.4."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20 Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-01-23T16:22:01.350Z",
        "orgId": "a39b4221-9bd0-4244-95fc-f3e2e07f1deb",
        "shortName": "mongodb"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jira.mongodb.org/browse/SERVER-53929"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Specially crafted query may result in a denial of service of mongod",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cna@mongodb.com",
          "DATE_PUBLIC": "2021-04-30T16:00:00.000Z",
          "ID": "CVE-2021-20326",
          "STATE": "PUBLIC",
          "TITLE": "Specially crafted query may result in a denial of service of mongod"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "MongoDB Server",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "4.4",
                            "version_value": "4.4.4"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "MongoDB Inc."
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Adrien Petel"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A user authorized to performing a specific type of find query may trigger a denial of service. This issue affects: MongoDB Inc. MongoDB Server v4.4 versions prior to 4.4.4."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-20 Improper Input Validation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://jira.mongodb.org/browse/SERVER-53929",
              "refsource": "MISC",
              "url": "https://jira.mongodb.org/browse/SERVER-53929"
            }
          ]
        },
        "source": {
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a39b4221-9bd0-4244-95fc-f3e2e07f1deb",
    "assignerShortName": "mongodb",
    "cveId": "CVE-2021-20326",
    "datePublished": "2021-04-30T09:10:13.589Z",
    "dateReserved": "2020-12-17T00:00:00.000Z",
    "dateUpdated": "2024-11-19T14:57:30.781Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

ubuntu-cve-2021-20326

Vulnerability from osv_ubuntu

CVE-2021-20326 (GCVE-0-2021-20326)

Tags

Sightings

Nomenclature