{"id":"CVE-2021-34812","aliases":["EUVD-2021-21459","GHSA-w3f5-2mqc-5c62"],"status":"published","title":"Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0...","description":"Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0-0761 allows remote attackers to obtain sensitive information via unspecified vectors.","severity":{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01119,"percentile":0.66414,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2021-06-18T03:00:12Z","modified":"2026-06-17T03:56:36Z","products":[{"vendor":"synology","product":"calendar"},{"vendor":"synology","product":"synology calendar"}],"references":[{"url":"https://www.synology.com/security/advisory/Synology_SA_21_12","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34812"},{"url":"https://github.com/advisories/GHSA-w3f5-2mqc-5c62"}],"sources":{"cve":[{"id":"CVE-2021-34812","description":"Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0-0761 allows remote attackers to obtain sensitive information via unspecified vectors.","status":"published","published":"2021-06-18T03:00:12.747Z","modified":"2024-09-17T01:31:29.491Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21459","description":"Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0-0761 allows remote attackers to obtain sensitive information via unspecified vectors.","status":"published","published":"2021-06-18T03:00:12Z","modified":"2024-09-17T01:31:29Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:28:48.901339Z"}],"ghsa":[{"id":"GHSA-w3f5-2mqc-5c62","title":"Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0...","description":"Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0-0761 allows remote attackers to obtain sensitive information via unspecified vectors.","status":"published","published":"2022-05-24T19:05:40Z","modified":"2023-01-29T05:08:03Z","cwes":["CWE-798"],"updated_at":"2026-11-02T14:46:12.058225Z"}],"nvd":[{"id":"CVE-2021-34812","description":"Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0-0761 allows remote attackers to obtain sensitive information via unspecified vectors.","status":"published","published":"2021-06-18T03:15:07.01Z","modified":"2026-06-17T03:56:36.883Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"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":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:06:54.892562Z"}]}}