{"containers":{"cna":{"affected":[{"product":"security-advisories","vendor":"nextcloud","versions":[{"status":"affected","version":"< 19.0.13"},{"status":"affected","version":">= 20.0.0, < 20.0.11"},{"status":"affected","version":">= 21.0.0, < 21.0.3"}]}],"descriptions":[{"lang":"en","value":"Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, webauthn tokens were not deleted after a user has been deleted. If a victim reused an earlier used username, the previous user could gain access to their account. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-708","description":"CWE-708: Incorrect Ownership Assignment","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2022-08-11T00:09:37.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6qr9-c846-j8mg"},{"tags":["x_refsource_MISC"],"url":"https://github.com/nextcloud/server/pull/27532"},{"tags":["x_refsource_MISC"],"url":"https://hackerone.com/reports/1202590"},{"name":"GLSA-202208-17","tags":["vendor-advisory","x_refsource_GENTOO"],"url":"https://security.gentoo.org/glsa/202208-17"}],"source":{"advisory":"GHSA-6qr9-c846-j8mg","discovery":"UNKNOWN"},"title":"Webauthn tokens not removed after user has been deleted","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-32726","STATE":"PUBLIC","TITLE":"Webauthn tokens not removed after user has been deleted"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"security-advisories","version":{"version_data":[{"version_value":"< 19.0.13"},{"version_value":">= 20.0.0, < 20.0.11"},{"version_value":">= 21.0.0, < 21.0.3"}]}}]},"vendor_name":"nextcloud"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, webauthn tokens were not deleted after a user has been deleted. If a victim reused an earlier used username, the previous user could gain access to their account. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds."}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-708: Incorrect Ownership Assignment"}]}]},"references":{"reference_data":[{"name":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6qr9-c846-j8mg","refsource":"CONFIRM","url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6qr9-c846-j8mg"},{"name":"https://github.com/nextcloud/server/pull/27532","refsource":"MISC","url":"https://github.com/nextcloud/server/pull/27532"},{"name":"https://hackerone.com/reports/1202590","refsource":"MISC","url":"https://hackerone.com/reports/1202590"},{"name":"GLSA-202208-17","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/202208-17"}]},"source":{"advisory":"GHSA-6qr9-c846-j8mg","discovery":"UNKNOWN"}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T23:33:54.834Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6qr9-c846-j8mg"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/nextcloud/server/pull/27532"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://hackerone.com/reports/1202590"},{"name":"GLSA-202208-17","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"],"url":"https://security.gentoo.org/glsa/202208-17"}]}]},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2021-32726","datePublished":"2021-07-12T19:45:13.000Z","dateReserved":"2021-05-12T00:00:00.000Z","dateUpdated":"2024-08-03T23:33:54.834Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}