{"id":"CVE-2021-20624","aliases":["EUVD-2021-8042","GHSA-vcgm-w445-jvmq"],"status":"published","title":"Improper access control vulnerability in Scheduler of Cybozu Office 10.0.0 to 10.8.4 allows an...","description":"Improper access control vulnerability in Scheduler of Cybozu Office 10.0.0 to 10.8.4 allows an authenticated attacker to bypass access restriction and alter the data of Scheduler via unspecified vectors.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00806,"percentile":0.57225,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2021-03-18T00:55:56Z","modified":"2026-06-17T03:34:08Z","products":[{"vendor":"cybozu","product":"office"},{"vendor":"cybozu, inc.","product":"cybozu office"}],"references":[{"url":"https://kb.cybozu.support/article/36866/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/jp/JVN45797538/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20624"},{"url":"https://github.com/advisories/GHSA-vcgm-w445-jvmq"}],"sources":{"cve":[{"id":"CVE-2021-20624","description":"Improper access control vulnerability in Scheduler of Cybozu Office 10.0.0 to 10.8.4 allows an authenticated attacker to bypass access restriction and alter the data of Scheduler via unspecified vectors.","status":"published","published":"2021-03-18T00:55:56Z","modified":"2024-08-03T17:45:44.737Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-8042","description":"Improper access control vulnerability in Scheduler of Cybozu Office 10.0.0 to 10.8.4 allows an authenticated attacker to bypass access restriction and alter the data of Scheduler via unspecified vectors.","status":"published","published":"2021-03-18T00:55:56Z","modified":"2024-08-03T17:45:44Z","updated_at":"2026-11-03T03:25:08.888273Z"}],"ghsa":[{"id":"GHSA-vcgm-w445-jvmq","title":"Improper access control vulnerability in Scheduler of Cybozu Office 10.0.0 to 10.8.4 allows an...","description":"Improper access control vulnerability in Scheduler of Cybozu Office 10.0.0 to 10.8.4 allows an authenticated attacker to bypass access restriction and alter the data of Scheduler via unspecified vectors.","status":"published","published":"2022-05-24T17:44:43Z","modified":"2023-01-27T05:02:43Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:42:05.930236Z"}],"nvd":[{"id":"CVE-2021-20624","description":"Improper access control vulnerability in Scheduler of Cybozu Office 10.0.0 to 10.8.4 allows an authenticated attacker to bypass access restriction and alter the data of Scheduler via unspecified vectors.","status":"published","published":"2021-03-18T01:15:11.513Z","modified":"2026-06-17T03:34:08.52Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:50.805771Z"}]}}