{"id":"CVE-2020-8182","aliases":["EUVD-2020-29063","GHSA-9fvc-qpfc-hjxh"],"status":"published","title":"Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with...","description":"Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01035,"percentile":0.64119,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-281","CWE-284"],"published":"2020-10-05T13:17:28Z","modified":"2026-10-24T10:30:22Z","products":[{"vendor":"nextcloud","product":"deck"}],"references":[{"url":"https://hackerone.com/reports/827816","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-025","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8182"},{"url":"https://github.com/advisories/GHSA-9fvc-qpfc-hjxh"}],"sources":{"cve":[{"id":"CVE-2020-8182","description":"Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.","status":"published","published":"2020-10-05T13:17:28Z","modified":"2024-08-04T09:56:27.465Z","cwes":["CWE-284"],"updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-29063","description":"Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.","status":"published","published":"2020-10-05T13:17:28Z","modified":"2024-08-04T09:56:27Z","updated_at":"2026-11-03T03:07:58.055641Z"}],"ghsa":[{"id":"GHSA-9fvc-qpfc-hjxh","title":"Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with...","description":"Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.","status":"published","published":"2022-05-24T17:30:06Z","modified":"2023-01-29T05:04:03Z","updated_at":"2026-11-02T14:45:27.507739Z"}],"nvd":[{"id":"CVE-2020-8182","description":"Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.","status":"published","published":"2020-10-05T14:15:13.467Z","modified":"2026-06-17T03:26:00.397Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-284","CWE-281"],"updated_at":"2026-11-02T14:06:17.70091Z"}],"osv":[{"id":"CVE-2020-8182","description":"Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.","status":"published","published":"2020-10-05T14:15:13.467Z","modified":"2026-10-24T10:30:22.980547574Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:17.663289Z"}]}}