{"id":"CVE-2020-7929","details":"A user authorized to perform database queries may trigger denial of service by issuing specially crafted query contain a type of regex. This issue affects MongoDB Server v3.6 versions prior to 3.6.21 and MongoDB Server v4.0 versions prior to 4.0.20.","aliases":["BIT-mongodb-2020-7929"],"modified":"2026-03-14T07:13:16.254186Z","published":"2021-03-01T16:15:12.747Z","references":[{"type":"FIX","url":"https://jira.mongodb.org/browse/SERVER-51083"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mongodb/mongo","events":[{"introduced":"a57d8e71e6998a2d0afde7edc11bd23e5661c915"},{"fixed":"1cd2db51dce4b16f4bc97a75056269df0dc0bddb"},{"introduced":"3b07af3d4f471ae89e8186d33bbb1d5259597d51"},{"fixed":"e2416422da84a0b63cde2397d60b521758b56d1b"}],"database_specific":{"versions":[{"introduced":"3.6.0"},{"fixed":"3.6.21"},{"introduced":"4.0.0"},{"fixed":"4.0.20"}]}}],"versions":["r3.6.0","r3.6.1","r3.6.1-rc0","r3.6.1-rc1","r3.6.10","r3.6.10-rc0","r3.6.10-rc1","r3.6.11","r3.6.11-rc0","r3.6.11-rc1","r3.6.11-rc2","r3.6.12","r3.6.12-rc0","r3.6.12-rc1","r3.6.13","r3.6.13-rc0","r3.6.13-rc1","r3.6.14","r3.6.14-rc0","r3.6.15","r3.6.15-rc0","r3.6.15-rc1","r3.6.16","r3.6.16-rc0","r3.6.17","r3.6.17-rc0","r3.6.18","r3.6.18-rc0","r3.6.19","r3.6.19-rc0","r3.6.2","r3.6.2-rc0","r3.6.20","r3.6.20-rc0","r3.6.20-rc1","r3.6.20-rc2","r3.6.21-rc0","r3.6.21-rc1","r3.6.21-rc2","r3.6.3","r3.6.3-rc0","r3.6.3-rc1","r3.6.4","r3.6.4-rc0","r3.6.5","r3.6.5-rc0","r3.6.6","r3.6.6-rc0","r3.6.7","r3.6.7-rc0","r3.6.7-rc1","r3.6.8","r3.6.8-rc0","r3.6.8-rc1","r3.6.9","r3.6.9-rc0","r4.0.0","r4.0.1","r4.0.1-rc0","r4.0.1-rc1","r4.0.10","r4.0.10-rc0","r4.0.10-rc1","r4.0.11","r4.0.11-rc0","r4.0.12","r4.0.12-rc0","r4.0.12-rc1","r4.0.12-rc2","r4.0.13","r4.0.13-rc0","r4.0.14","r4.0.14-rc0","r4.0.14-rc1","r4.0.15","r4.0.15-rc0","r4.0.16","r4.0.16-rc0","r4.0.17","r4.0.17-rc0","r4.0.18","r4.0.18-rc0","r4.0.19","r4.0.19-rc0","r4.0.2","r4.0.2-rc0","r4.0.3","r4.0.3-rc0","r4.0.4","r4.0.4-rc0","r4.0.4-rc1","r4.0.4-rc2","r4.0.5","r4.0.5-rc0","r4.0.5-rc1","r4.0.6","r4.0.6-rc0","r4.0.6-rc1","r4.0.7","r4.0.7-rc0","r4.0.7-rc1","r4.0.8","r4.0.8-rc0","r4.0.9","r4.0.9-rc0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-7929.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}