{"id":"CVE-2020-7929","state":"PUBLISHED","title":"Specially crafted regex query can cause DoS","description":"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.","publishedAt":"2021-03-01T16:05:17.498Z","updatedAt":"2024-09-16T19:46:52.238Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"mongodb"},"assigner":"mongodb","products":["MongoDB Inc. MongoDB Server"],"affected":[{"vendor":"MongoDB Inc.","product":"MongoDB Server","defaultStatus":"unaffected","versions":[{"version":"3.6","status":"affected","lessThan":"3.6.21","versionType":"custom"},{"version":"4.0","status":"affected","lessThan":"4.0.20","versionType":"custom"}]}],"references":["https://jira.mongodb.org/browse/SERVER-51083"],"weaknesses":["CWE-185"],"ingestedAt":"2026-10-29T19:47:41.446Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/7xxx/CVE-2020-7929.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-7929","state":"PUBLISHED","datePublished":"2021-03-01T16:05:17.498Z","dateUpdated":"2024-09-16T19:46:52.238Z","assignerShortName":"mongodb","assignerOrgId":"a39b4221-9bd0-4244-95fc-f3e2e07f1deb","dateReserved":"2020-01-23T00:00:00.000Z"},"containers":{"cna":{"title":"Specially crafted regex query can cause DoS","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"MongoDB Inc.","product":"MongoDB Server","defaultStatus":"unaffected","versions":[{"version":"3.6","status":"affected","lessThan":"3.6.21","versionType":"custom"},{"version":"4.0","status":"affected","lessThan":"4.0.20","versionType":"custom"}]}],"references":[{"url":"https://jira.mongodb.org/browse/SERVER-51083","tags":["x_refsource_MISC"]}],"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-185","description":"CWE-185 Incorrect Regular Expression","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"mongodb","orgId":"a39b4221-9bd0-4244-95fc-f3e2e07f1deb","dateUpdated":"2024-01-23T15:49:00.951Z"},"datePublic":"2021-02-26T00:00:00.000Z","source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cna@mongodb.com","DATE_PUBLIC":"2021-02-26T17:00:00.000Z","ID":"CVE-2020-7929","STATE":"PUBLIC","TITLE":"Specially crafted regex query can cause DoS"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"MongoDB Server","version":{"version_data":[{"version_affected":"<","version_name":"3.6","version_value":"3.6.21"},{"version_affected":"<","version_name":"4.0","version_value":"4.0.20"}]}}]},"vendor_name":"MongoDB Inc."}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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 Inc. MongoDB Server v3.6 versions prior to 3.6.21 and MongoDB Server v4.0 versions prior to 4.0.20."}]},"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-185 Incorrect Regular Expression"}]}]},"references":{"reference_data":[{"name":"https://jira.mongodb.org/browse/SERVER-51083","refsource":"MISC","url":"https://jira.mongodb.org/browse/SERVER-51083"}]},"source":{"discovery":"EXTERNAL"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://jira.mongodb.org/browse/SERVER-51083","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T09:48:24.522Z"}},{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"mongodb","product":"mongodb","defaultStatus":"unknown","versions":[{"version":"3.6","status":"affected","lessThan":"3.6.21","versionType":"custom"},{"version":"4.0","status":"affected","lessThan":"4.0.20","versionType":"custom"}],"cpes":["cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-01-23T18:12:01.677275Z","id":"CVE-2020-7929","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-08-15T17:22:54.094Z"}}]}}}