{ "id": "CVE-2021-39914", "sourceIdentifier": "cve@gitlab.com", "published": "2021-11-04T23:15:10.183", "lastModified": "2022-05-03T16:04:40.443", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "A regular expression denial of service issue in GitLab versions 8.13 to 14.2.5, 14.3.0 to 14.3.3 and 14.4.0 could cause excessive usage of resources when a specially crafted username was used when provisioning a new user" }, { "lang": "es", "value": "Un problema de denegaci\u00f3n de servicio con expresiones regulares en GitLab versiones 8.13 a 14.2.5, 14.3.0 a 14.3.3 y 14.4.0, pod\u00eda causar un uso excesivo de recursos cuando se usaba un nombre de usuario especialmente dise\u00f1ado al aprovisionar un nuevo usuario" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.8, "impactScore": 1.4 }, { "source": "cve@gitlab.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 3.1, "baseSeverity": "LOW" }, "exploitabilityScore": 1.6, "impactScore": 1.4 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-400" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "versionStartIncluding": "8.13.0", "versionEndExcluding": "14.2.6", "matchCriteriaId": "BDC22F02-6C58-4F97-8864-13533B8D856D" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "8.13.0", "versionEndExcluding": "14.2.6", "matchCriteriaId": "8260E67F-3155-42CE-9318-A42048E79815" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "versionStartIncluding": "14.3.0", "versionEndExcluding": "14.3.4", "matchCriteriaId": "89D408A9-D433-4674-9EFF-94C13094C8D1" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "versionStartIncluding": "14.3.0", "versionEndExcluding": "14.3.4", "matchCriteriaId": "79C91F49-B540-4D22-8CC9-E5CAD399E520" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:community:*:*:*", "matchCriteriaId": "33F825B9-51B3-44A9-ADC5-395B99F866E4" }, { "vulnerable": true, "criteria": "cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:enterprise:*:*:*", "matchCriteriaId": "0FC6A40A-F861-445A-BD61-1ACF7D7849B1" } ] } ] } ], "references": [ { "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39914.json", "source": "cve@gitlab.com", "tags": [ "Vendor Advisory" ] }, { "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/289948", "source": "cve@gitlab.com", "tags": [ "Broken Link" ] } ] }