{"id":"CVE-2024-37887","aliases":["EUVD-2024-36871","GHSA-h4xv-cjpm-j595"],"status":"published","title":"Nextcloud Server's events information leaked with shared calendars on recurrence exceptions","description":"Nextcloud Server is a self hosted personal cloud system. Private shared calendar events' recurrence exceptions can be read by sharees. It is recommended that the Nextcloud Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1 and that the Nextcloud Enterprise Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1.","severity":{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00381,"percentile":0.32548,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2024-06-14T15:48:11Z","modified":"2026-10-28T02:30:41Z","products":[{"vendor":"kiteworks","product":"security-advisories"},{"vendor":"nextcloud","product":"nextcloud_server"},{"vendor":"nextcloud","product":"security-advisories"}],"references":[{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h4xv-cjpm-j595","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://github.com/nextcloud/server/pull/45309","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"https://hackerone.com/reports/2479325","tags":["x_refsource_MISC","x_transferred","Issue Tracking","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/37xxx/CVE-2024-37887.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-37887","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-37887","title":"Nextcloud Server's events information leaked with shared calendars on recurrence exceptions","description":"Nextcloud Server is a self hosted personal cloud system. Private shared calendar events' recurrence exceptions can be read by sharees. It is recommended that the Nextcloud Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1 and that the Nextcloud Enterprise Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1.","status":"published","published":"2024-06-14T15:48:11.867Z","modified":"2024-08-02T03:57:40.075Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:34:00.929382Z"}],"euvd":[{"id":"EUVD-2024-36871","description":"Nextcloud Server is a self hosted personal cloud system. Private shared calendar events' recurrence exceptions can be read by sharees. It is recommended that the Nextcloud Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1 and that the Nextcloud Enterprise Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1.","status":"published","published":"2024-06-14T15:48:11Z","modified":"2024-08-02T03:57:40Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-03T03:50:18.901913Z"}],"nvd":[{"id":"CVE-2024-37887","description":"Nextcloud Server is a self hosted personal cloud system. Private shared calendar events' recurrence exceptions can be read by sharees. It is recommended that the Nextcloud Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1 and that the Nextcloud Enterprise Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1.","status":"published","published":"2024-06-14T16:15:14.237Z","modified":"2026-06-17T07:38:59.487Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:10:05.620461Z"}],"osv":[{"id":"CVE-2024-37887","title":"Nextcloud Server's events information leaked with shared calendars on recurrence exceptions","description":"Nextcloud Server is a self hosted personal cloud system. Private shared calendar events' recurrence exceptions can be read by sharees. It is recommended that the Nextcloud Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1 and that the Nextcloud Enterprise Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1.","status":"published","published":"2024-06-14T15:48:11.867Z","modified":"2026-10-28T02:30:41.261438418Z","cvss":[{"version":"3.1","score":3.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:44:41.133403Z"}]}}