{"id":"CVE-2020-10254","aliases":["EUVD-2020-2709","GHSA-p22f-p3r6-57j7"],"status":"published","title":"An issue was discovered in ownCloud before 10.4. An attacker can bypass authentication on a...","description":"An issue was discovered in ownCloud before 10.4. An attacker can bypass authentication on a password-protected image by displaying its preview.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01944,"percentile":0.8033,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-02-19T06:02:12Z","modified":"2026-10-24T10:31:01Z","products":[{"vendor":"owncloud","product":"owncloud"}],"references":[{"url":"https://owncloud.org/changelog/server/","tags":["x_refsource_MISC","x_transferred","Product","Release Notes","advisory"]},{"url":"https://blog.hacktivesecurity.com/index.php?controller=post\u0026action=view\u0026id_post=44","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://owncloud.com/security-advisories/public-link-password-bypass-via-image-previews/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-10254"},{"url":"https://github.com/advisories/GHSA-p22f-p3r6-57j7"}],"sources":{"cve":[{"id":"CVE-2020-10254","description":"An issue was discovered in ownCloud before 10.4. An attacker can bypass authentication on a password-protected image by displaying its preview.","status":"published","published":"2021-02-19T06:02:12Z","modified":"2024-08-04T10:58:40.495Z","updated_at":"2026-11-02T14:35:48.213211Z"}],"euvd":[{"id":"EUVD-2020-2709","description":"An issue was discovered in ownCloud before 10.4. An attacker can bypass authentication on a password-protected image by displaying its preview.","status":"published","published":"2021-02-19T06:02:12Z","modified":"2024-08-04T10:58:40Z","updated_at":"2026-11-03T03:07:50.893254Z"}],"ghsa":[{"id":"GHSA-p22f-p3r6-57j7","title":"An issue was discovered in ownCloud before 10.4. An attacker can bypass authentication on a...","description":"An issue was discovered in ownCloud before 10.4. An attacker can bypass authentication on a password-protected image by displaying its preview.","status":"published","published":"2022-05-24T17:42:39Z","modified":"2023-01-29T05:05:49Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:45:52.819939Z"}],"nvd":[{"id":"CVE-2020-10254","description":"An issue was discovered in ownCloud before 10.4. An attacker can bypass authentication on a password-protected image by displaying its preview.","status":"published","published":"2021-02-19T07:15:13.34Z","modified":"2026-06-17T02:47:34.47Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/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-287"],"updated_at":"2026-11-02T14:06:34.188486Z"}],"osv":[{"id":"CVE-2020-10254","description":"An issue was discovered in ownCloud before 10.4. An attacker can bypass authentication on a password-protected image by displaying its preview.","status":"published","published":"2021-02-19T07:15:13.34Z","modified":"2026-10-24T10:31:01.201828332Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:13.492058Z"}]}}