{"id":"CVE-2021-39434","aliases":["EUVD-2021-25792","GHSA-xq46-j345-hjrw"],"status":"published","title":"A default username and password for an administrator account was discovered in ZKTeco ZKTime 10.0...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00586,"percentile":0.48326,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-521"],"published":"2022-12-05T00:00:00Z","modified":"2026-06-17T04:03:42Z","products":[{"vendor":"zkteco","product":"zktime"}],"references":[{"url":"https://www.cnvd.org.cn/flaw/show/CNVD-2018-26041","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39434"},{"url":"https://github.com/advisories/GHSA-xq46-j345-hjrw"}],"sources":{"cve":[{"id":"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.","status":"published","published":"2022-12-05T00:00:00Z","modified":"2025-04-24T13:28:02.419Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T14:33:09.540052Z"}],"euvd":[{"id":"EUVD-2021-25792","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.","status":"published","published":"2022-12-05T00:00:00Z","modified":"2025-04-24T13:28:02Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T20:52:05.311873Z"}],"ghsa":[{"id":"GHSA-xq46-j345-hjrw","title":"A default username and password for an administrator account was discovered in ZKTeco ZKTime 10.0...","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.","status":"published","published":"2022-12-06T00:30:15Z","modified":"2023-02-02T05:02:48Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T14:51:30.862811Z"}],"nvd":[{"id":"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.","status":"published","published":"2022-12-06T00:15:09.957Z","modified":"2026-06-17T04:03:42.32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T14:07:07.323379Z"}]}}