{"id":"CVE-2020-7925","aliases":["BIT-mongodb-2020-7925","EUVD-2020-28855","GHSA-v8v4-4v92-48h2","UBUNTU-CVE-2020-7925"],"status":"published","title":"Denial of Service when processing malformed Role names","description":"Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.0-rc12; MongoDB Server v4.2 versions prior to 4.2.9.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01694,"percentile":0.77296,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20","CWE-475"],"published":"2020-11-23T14:50:12Z","modified":"2026-10-24T10:30:36Z","fixes":[{"ecosystem":"Bitnami","package":"mongodb","fixed_in":["4.2.9"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mongodb","ranges":[{"type":"SEMVER","events":[{"introduced":"4.2.0"},{"fixed":"4.2.9"}]}]}],"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-49142","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7925","tags":["web"]},{"url":"https://github.com/advisories/GHSA-v8v4-4v92-48h2"},{"url":"https://ubuntu.com/security/CVE-2020-7925","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-7925","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-7925","title":"Denial of Service when processing malformed Role names","description":"Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.0-rc12; MongoDB Server v4.2 versions prior to 4.2.9.","status":"published","published":"2020-11-23T14:50:12.258Z","modified":"2024-09-17T00:20:32.9Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-475"],"updated_at":"2026-11-02T14:35:58.331892Z"}],"euvd":[{"id":"EUVD-2020-28855","description":"Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.0-rc12; MongoDB Server v4.2 versions prior to 4.2.9.","status":"published","published":"2020-11-23T14:50:12Z","modified":"2024-09-17T00:20:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T00:29:00.142007Z"}],"ghsa":[{"id":"GHSA-v8v4-4v92-48h2","title":"Incorrect validation of user input in the role name parser may lead to use of uninitialized...","description":"Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects: MongoDB Inc. MongoDB Server v4.4 versions prior to 4.4.0-rc12; v4.2 versions prior to 4.2.9.","status":"published","published":"2022-05-24T17:34:50Z","modified":"2024-02-01T05:06:18Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20","CWE-475"],"updated_at":"2026-11-02T14:55:31.245778Z"}],"nvd":[{"id":"CVE-2020-7925","description":"Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.0-rc12; MongoDB Server v4.2 versions prior to 4.2.9.","status":"published","published":"2020-11-23T15:15:11.543Z","modified":"2026-06-17T03:25:38.53Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-475","CWE-20"],"updated_at":"2026-11-02T14:06:25.394006Z"}],"osv":[{"id":"CVE-2020-7925","description":"Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.0-rc12; MongoDB Server v4.2 versions prior to 4.2.9.","status":"published","published":"2020-11-23T15:15:11.543Z","modified":"2026-10-24T10:30:36.678064441Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:17.34531Z"},{"id":"UBUNTU-CVE-2020-7925","description":"Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.0-rc12; MongoDB Server v4.2 versions prior to 4.2.9.","status":"withdrawn","published":"2020-11-23T15:15:00Z","modified":"2026-02-19T19:23:48.949003Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:25.728622Z"},{"id":"BIT-mongodb-2020-7925","title":"Denial of Service when processing malformed Role names","description":"Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.0; MongoDB Server v4.2 versions prior to 4.2.9.","status":"published","published":"2024-03-06T10:58:54.976Z","modified":"2026-09-08T08:48:13.88137349Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}