{"cve":"CVE-2017-1000221","nvd":{"published":"2017-11-17T22:29:00.363","modified":"2026-06-17T00:58:55.943","status":"Modified","description":"In Opencast 2.2.3 and older if user names overlap, the Opencast search service used for publication to the media modules and players will handle the access control incorrectly so that users only need to match part of the user name used for the access restriction. For example, a user with the role ROLE_USER will have access to recordings published only for ROLE_USER_X.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-732"],"references":["https://opencast.jira.com/browse/MH-11862","https://opencast.jira.com/browse/MH-11862"],"products":["apereo:opencast"],"source":"nvd","synced_at":"2026-10-19T20:47:01.408438353+00:00"},"epss":{"cve":"CVE-2017-1000221","score":0.00764,"percentile":0.55437,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-hx44-c87v-p6xg","url":"https://osv.dev/vulnerability/GHSA-hx44-c87v-p6xg","summary":"Opencast has Incorrect Permission Assignment","modified":"2023-11-08T03:58:44.413008Z","packages":[{"ecosystem":"Maven","name":"org.opencastproject:opencast-kernel","purl":"pkg:maven/org.opencastproject/opencast-kernel","ranges":["<2.2.4"],"fixed":["2.2.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}