{"id":"CVE-2021-20632","aliases":["EUVD-2021-8050","GHSA-w8j9-2pxr-6vm2"],"status":"published","title":"Improper access control vulnerability in Bulletin Board of Cybozu Office 10.0.0 to 10.8.4 allows...","description":"Improper access control vulnerability in Bulletin Board of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the data of Bulletin Board via unspecified vectors.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00748,"percentile":0.55226,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-03-18T00:56:02Z","modified":"2026-06-17T03:34:09Z","products":[{"vendor":"cybozu","product":"office"},{"vendor":"cybozu, inc.","product":"cybozu office"}],"references":[{"url":"https://jvn.jp/en/jp/JVN45797538/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://kb.cybozu.support/article/36870/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20632"},{"url":"https://github.com/advisories/GHSA-w8j9-2pxr-6vm2"}],"sources":{"cve":[{"id":"CVE-2021-20632","description":"Improper access control vulnerability in Bulletin Board of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the data of Bulletin Board via unspecified vectors.","status":"published","published":"2021-03-18T00:56:02Z","modified":"2024-08-03T17:45:45.234Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-8050","description":"Improper access control vulnerability in Bulletin Board of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the data of Bulletin Board via unspecified vectors.","status":"published","published":"2021-03-18T00:56:02Z","modified":"2024-08-03T17:45:45Z","updated_at":"2026-11-03T03:25:08.888273Z"}],"ghsa":[{"id":"GHSA-w8j9-2pxr-6vm2","title":"Improper access control vulnerability in Bulletin Board of Cybozu Office 10.0.0 to 10.8.4 allows...","description":"Improper access control vulnerability in Bulletin Board of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the data of Bulletin Board via unspecified vectors.","status":"published","published":"2022-05-24T17:44:45Z","modified":"2023-01-27T05:02:36Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:42:04.742793Z"}],"nvd":[{"id":"CVE-2021-20632","description":"Improper access control vulnerability in Bulletin Board of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the data of Bulletin Board via unspecified vectors.","status":"published","published":"2021-03-18T01:15:12.093Z","modified":"2026-06-17T03:34:09.333Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:50.805771Z"}]}}