{"id":"CVE-2017-0894","aliases":["EUVD-2017-1247","GHSA-2c99-9fv7-72hj"],"status":"published","title":"Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public...","description":"Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01169,"percentile":0.67608,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-285","CWE-863"],"published":"2017-05-08T20:00:00Z","modified":"2026-10-24T10:31:03Z","products":[{"vendor":"hackerone","product":"nextcloud server"},{"vendor":"nextcloud","product":"nextcloud server"},{"vendor":"nextcloud","product":"nextcloud_server"}],"references":[{"url":"https://nextcloud.com/security/advisory/?id=nc-sa-2017-011","tags":["x_refsource_CONFIRM","x_transferred","Broken Link","Patch","Vendor Advisory","fix"]},{"url":"https://hackerone.com/reports/218876","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-0894"},{"url":"https://github.com/advisories/GHSA-2c99-9fv7-72hj"}],"sources":{"cve":[{"id":"CVE-2017-0894","description":"Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.","status":"published","published":"2017-05-08T20:00:00Z","modified":"2024-08-05T13:18:06.452Z","cwes":["CWE-285"],"updated_at":"2026-11-02T14:33:22.699876Z"}],"euvd":[{"id":"EUVD-2017-1247","description":"Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.","status":"published","published":"2017-05-08T20:00:00Z","modified":"2024-08-05T13:18:06Z","updated_at":"2026-11-03T02:39:22.969866Z"}],"ghsa":[{"id":"GHSA-2c99-9fv7-72hj","title":"Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public...","description":"Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.","status":"published","published":"2022-05-13T01:38:26Z","modified":"2025-04-20T03:38:25Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200","CWE-285","CWE-863"],"updated_at":"2026-11-02T15:01:45.743786Z"}],"nvd":[{"id":"CVE-2017-0894","description":"Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.","status":"published","published":"2017-05-08T20:29:00.333Z","modified":"2026-06-17T00:58:28.723Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-285","CWE-863"],"updated_at":"2026-11-02T14:03:47.848196Z"}],"osv":[{"id":"CVE-2017-0894","description":"Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.","status":"published","published":"2017-05-08T20:29:00.333Z","modified":"2026-10-24T10:31:03.750106046Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:03.472693Z"}]}}