{"id":"CVE-2020-28644","aliases":["EUVD-2020-21042","GHSA-p5wf-rj4w-hc7f"],"status":"published","title":"The CSRF (Cross Site Request Forgery) token check was improperly implemented on cookie...","description":"The CSRF (Cross Site Request Forgery) token check was improperly implemented on cookie authenticated requests against some ocs API endpoints. This affects ownCloud/core version \u003c 10.6.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00467,"percentile":0.40719,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2021-02-09T18:18:35Z","modified":"2026-10-24T10:30:51Z","products":[{"vendor":"owncloud","product":"owncloud"}],"references":[{"url":"https://owncloud.com/security-advisories/cross-site-request-forgery-in-the-ocs-api/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28644"},{"url":"https://github.com/advisories/GHSA-p5wf-rj4w-hc7f"}],"sources":{"cve":[{"id":"CVE-2020-28644","description":"The CSRF (Cross Site Request Forgery) token check was improperly implemented on cookie authenticated requests against some ocs API endpoints. This affects ownCloud/core version \u003c 10.6.","status":"published","published":"2021-02-09T18:18:35Z","modified":"2024-08-04T16:40:59.832Z","updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2020-21042","description":"The CSRF (Cross Site Request Forgery) token check was improperly implemented on cookie authenticated requests against some ocs API endpoints. This affects ownCloud/core version \u003c 10.6.","status":"published","published":"2021-02-09T18:18:35Z","modified":"2024-08-04T16:40:59Z","updated_at":"2026-11-03T03:07:09.169254Z"}],"ghsa":[{"id":"GHSA-p5wf-rj4w-hc7f","title":"The CSRF (Cross Site Request Forgery) token check was improperly implemented on cookie...","description":"The CSRF (Cross Site Request Forgery) token check was improperly implemented on cookie authenticated requests against some ocs API endpoints. This affects ownCloud/core version \u003c 10.6.","status":"published","published":"2022-05-24T17:41:30Z","modified":"2023-01-29T05:06:25Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:46:01.014857Z"}],"nvd":[{"id":"CVE-2020-28644","description":"The CSRF (Cross Site Request Forgery) token check was improperly implemented on cookie authenticated requests against some ocs API endpoints. This affects ownCloud/core version \u003c 10.6.","status":"published","published":"2021-02-09T19:15:13.63Z","modified":"2026-06-17T03:10:40.583Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:06:34.188486Z"}],"osv":[{"id":"CVE-2020-28644","description":"The CSRF (Cross Site Request Forgery) token check was improperly implemented on cookie authenticated requests against some ocs API endpoints. This affects ownCloud/core version \u003c 10.6.","status":"published","published":"2021-02-09T19:15:13.63Z","modified":"2026-10-24T10:30:51.6277746Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:16.612899Z"}]}}