{"id":"CVE-2021-39914","state":"PUBLISHED","title":"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 userna","description":"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","publishedAt":"2021-11-04T22:39:17.000Z","updatedAt":"2024-08-04T02:20:33.786Z","severity":{"score":3.1,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","source":"GitLab"},"assigner":"GitLab","products":["GitLab GitLab"],"affected":[{"vendor":"GitLab","product":"GitLab","versions":[{"version":">=8.13, <14.2.6","status":"affected"},{"version":">=14.3.0, <14.3.4","status":"affected"},{"version":">=14.4.0, <14.4.1","status":"affected"}]}],"references":["https://gitlab.com/gitlab-org/gitlab/-/issues/289948","https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39914.json"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:52.666Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/39xxx/CVE-2021-39914.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-39914","state":"PUBLISHED","datePublished":"2021-11-04T22:39:17.000Z","dateUpdated":"2024-08-04T02:20:33.786Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2021-08-23T00:00:00.000Z"},"containers":{"cna":{"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"}],"affected":[{"vendor":"GitLab","product":"GitLab","versions":[{"version":">=8.13, <14.2.6","status":"affected"},{"version":">=14.3.0, <14.3.4","status":"affected"},{"version":">=14.4.0, <14.4.1","status":"affected"}]}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/289948","tags":["x_refsource_MISC"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39914.json","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"description":"Uncontrolled resource consumption in GitLab","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"GitLab","dateUpdated":"2021-11-04T22:39:17.000Z","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a"},"credits":[{"lang":"en","value":"This vulnerability has been discovered internally by the GitLab team"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@gitlab.com","ID":"CVE-2021-39914","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"GitLab","version":{"version_data":[{"version_value":">=8.13, <14.2.6"},{"version_value":">=14.3.0, <14.3.4"},{"version_value":">=14.4.0, <14.4.1"}]}}]},"vendor_name":"GitLab"}]}},"credit":[{"lang":"eng","value":"This vulnerability has been discovered internally by the GitLab team"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","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"}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":3,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Uncontrolled resource consumption in GitLab"}]}]},"references":{"reference_data":[{"name":"https://gitlab.com/gitlab-org/gitlab/-/issues/289948","refsource":"MISC","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/289948"},{"name":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39914.json","refsource":"CONFIRM","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39914.json"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/289948","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39914.json","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T02:20:33.786Z"}}]}}}