{"id":"CVE-2020-5566","aliases":["EUVD-2020-26728","GHSA-w64g-g6j6-ph4q"],"status":"published","title":"Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated...","description":"Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated attackers to alter the application's data via the applications 'E-mail' and 'Messages'.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01058,"percentile":0.6477,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2020-04-28T03:15:30Z","modified":"2026-06-17T03:21:36Z","products":[{"vendor":"cybozu","product":"garoon"},{"vendor":"cybozu, inc.","product":"cybozu garoon"}],"references":[{"url":"https://jvn.jp/en/jp/JVN35649781/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://kb.cybozu.support/article/36113/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5566"},{"url":"https://github.com/advisories/GHSA-w64g-g6j6-ph4q"}],"sources":{"cve":[{"id":"CVE-2020-5566","description":"Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated attackers to alter the application's data via the applications 'E-mail' and 'Messages'.","status":"published","published":"2020-04-28T03:15:30Z","modified":"2024-08-04T08:30:24.608Z","updated_at":"2026-11-02T14:35:47.22408Z"}],"euvd":[{"id":"EUVD-2020-26728","description":"Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated attackers to alter the application's data via the applications 'E-mail' and 'Messages'.","status":"published","published":"2020-04-28T03:15:30Z","modified":"2024-08-04T08:30:24Z","updated_at":"2026-11-03T03:08:06.745484Z"}],"ghsa":[{"id":"GHSA-w64g-g6j6-ph4q","title":"Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated...","description":"Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated attackers to alter the application's data via the applications 'E-mail' and 'Messages'.","status":"published","published":"2022-05-24T17:16:47Z","modified":"2023-01-29T05:02:45Z","cwes":["CWE-862"],"updated_at":"2026-11-02T14:45:09.48744Z"}],"nvd":[{"id":"CVE-2020-5566","description":"Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated attackers to alter the application's data via the applications 'E-mail' and 'Messages'.","status":"published","published":"2020-04-28T04:15:12.667Z","modified":"2026-06-17T03:21:36.877Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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":"2026-11-02T14:05:59.718774Z"}]}}