{"api_version":"1","generated_at":"2026-07-23T20:58:43+00:00","cve":"CVE-2021-39434","urls":{"html":"https://cve.report/CVE-2021-39434","api":"https://cve.report/api/cve/CVE-2021-39434.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-39434","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-39434"},"summary":{"title":"CVE-2021-39434","description":"A default username and password for an administrator account was discovered in ZKTeco ZKTime 10.0 through 11.1.0, builds 20180901, 20190510.1, 20200309.3, 20200930, 20201231, and 20210220.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2022-12-06 00:15:00","updated_at":"2022-12-08 16:15:00"},"problem_types":["CWE-521"],"metrics":[],"references":[{"url":"https://www.cnvd.org.cn/flaw/show/CNVD-2018-26041","name":"https://www.cnvd.org.cn/flaw/show/CNVD-2018-26041","refsource":"MISC","tags":[],"title":"","mime":"text/html","httpstatus":"521","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-39434","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39434","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"39434","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"zkteco","cpe5":"zktime","cpe6":"11.1.0","cpe7":"-","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"39434","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"zkteco","cpe5":"zktime","cpe6":"11.1.0","cpe7":"20180901","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"39434","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"zkteco","cpe5":"zktime","cpe6":"11.1.0","cpe7":"20190510.1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"39434","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"zkteco","cpe5":"zktime","cpe6":"11.1.0","cpe7":"20200309.3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"39434","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"zkteco","cpe5":"zktime","cpe6":"11.1.0","cpe7":"20200930","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"39434","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"zkteco","cpe5":"zktime","cpe6":"11.1.0","cpe7":"20201231","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"39434","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"zkteco","cpe5":"zktime","cpe6":"11.1.0","cpe7":"20210220","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"39434","vulnerable":"1","versionEndIncluding":"11.1.0","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"zkteco","cpe5":"zktime","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-39434","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A default username and password for an administrator account was discovered in ZKTeco ZKTime 10.0 through 11.1.0, builds 20180901, 20190510.1, 20200309.3, 20200930, 20201231, and 20210220."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://www.cnvd.org.cn/flaw/show/CNVD-2018-26041","url":"https://www.cnvd.org.cn/flaw/show/CNVD-2018-26041"}]}},"nvd":{"publishedDate":"2022-12-06 00:15:00","lastModifiedDate":"2022-12-08 16:15:00","problem_types":["CWE-521"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:zkteco:zktime:11.1.0:20210220:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:zkteco:zktime:11.1.0:20201231:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:zkteco:zktime:11.1.0:20200930:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:zkteco:zktime:11.1.0:20200309.3:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:zkteco:zktime:11.1.0:20190510.1:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:zkteco:zktime:11.1.0:20180901:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:zkteco:zktime:11.1.0:-:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:zkteco:zktime:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0","versionEndIncluding":"11.1.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"39434","Ordinal":"215138","Title":"CVE-2021-39434","CVE":"CVE-2021-39434","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"39434","Ordinal":"1","NoteData":"** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.","Type":"Description","Title":null}]}}}