{"id":"CVE-2020-7926","aliases":["BIT-mongodb-2020-7926","EUVD-2020-28856","GHSA-rqw4-wgg4-99m9"],"status":"published","title":"Specific query can cause a DoS against MongoDB Server","description":"A user authorized to perform database queries may cause denial of service by issuing a specially crafted query which violates an invariant in the server selection subsystem. This issue affects MongoDB Server v4.4 versions prior to 4.4.1. Versions before 4.4 are not affected.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01408,"percentile":0.72976,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-755"],"published":"2020-11-23T15:05:15Z","modified":"2026-10-24T14:19:48Z","fixes":[{"ecosystem":"Bitnami","package":"mongodb","fixed_in":["4.4.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mongodb","ranges":[{"type":"SEMVER","events":[{"introduced":"4.4.0"},{"fixed":"4.4.1"}]}]}],"products":[{"vendor":"mongodb","product":"mongodb"},{"vendor":"mongodb inc.","product":"mongodb server"},{"vendor":"mongodb, inc.","product":"mongodb server"}],"references":[{"url":"https://jira.mongodb.org/browse/SERVER-50170","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7926","tags":["web"]},{"url":"https://github.com/advisories/GHSA-rqw4-wgg4-99m9"}],"sources":{"cve":[{"id":"CVE-2020-7926","title":"Specific query can cause a DoS against MongoDB Server","description":"A user authorized to perform database queries may cause denial of service by issuing a specially crafted query which violates an invariant in the server selection subsystem. This issue affects MongoDB Server v4.4 versions prior to 4.4.1. Versions before 4.4 are not affected.","status":"published","published":"2020-11-23T15:05:15.299Z","modified":"2024-09-16T20:36:34.645Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:35:58.331892Z"}],"euvd":[{"id":"EUVD-2020-28856","description":"A user authorized to perform database queries may cause denial of service by issuing a specially crafted query which violates an invariant in the server selection subsystem. This issue affects MongoDB Server v4.4 versions prior to 4.4.1. Versions before 4.4 are not affected.","status":"published","published":"2020-11-23T15:05:15Z","modified":"2024-09-16T20:36:34Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:55:12.625541Z"}],"ghsa":[{"id":"GHSA-rqw4-wgg4-99m9","title":"A user authorized to perform database queries may cause denial of service by issuing a specially...","description":"A user authorized to perform database queries may cause denial of service by issuing a specially crafted query which violates an invariant in the server selection subsystem. This issue affects: MongoDB Server version 4.4 prior to 4.4.1. Versions before 4.4 are not affected.","status":"published","published":"2022-05-24T17:34:50Z","modified":"2024-01-23T18:31:09Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:55:28.44427Z"}],"nvd":[{"id":"CVE-2020-7926","description":"A user authorized to perform database queries may cause denial of service by issuing a specially crafted query which violates an invariant in the server selection subsystem. This issue affects MongoDB Server v4.4 versions prior to 4.4.1. Versions before 4.4 are not affected.","status":"published","published":"2020-11-23T15:15:11.667Z","modified":"2026-06-17T03:25:38.64Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:06:25.394006Z"}],"osv":[{"id":"CVE-2020-7926","description":"A user authorized to perform database queries may cause denial of service by issuing a specially crafted query which violates an invariant in the server selection subsystem. This issue affects MongoDB Server v4.4 versions prior to 4.4.1. Versions before 4.4 are not affected.","status":"published","published":"2020-11-23T15:15:11.667Z","modified":"2026-10-24T14:19:48.348154254Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:17.34531Z"},{"id":"BIT-mongodb-2020-7926","title":"Specific query can cause a DoS against MongoDB Server","description":"A user authorized to perform database queries may cause denial of service by issuing a specially crafted query which violates an invariant in the server selection subsystem. This issue affects MongoDB Server v4.4 versions prior to 4.4.1. Versions before 4.4 are not affected.","status":"published","published":"2024-03-06T10:58:44.575Z","modified":"2026-09-08T08:48:14.074337836Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}