{"cve":"CVE-2020-5222","nvd":{"published":"2020-01-30T21:15:14.980","modified":"2026-06-17T03:21:03.337","status":"Modified","description":"Opencast before 7.6 and 8.1 enables a remember-me cookie based on a hash created from the username, password, and an additional system key. This means that an attacker getting access to a remember-me token for one server can get access to all servers which allow log-in using the same credentials without ever needing the credentials. This problem is fixed in Opencast 7.6 and Opencast 8.1","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-798"],"references":["https://github.com/opencast/opencast/commit/1a7172c95af8d542a77ae5b153e4c834dd4788a6","https://github.com/opencast/opencast/security/advisories/GHSA-mh8g-hprg-8363","https://github.com/opencast/opencast/commit/1a7172c95af8d542a77ae5b153e4c834dd4788a6","https://github.com/opencast/opencast/security/advisories/GHSA-mh8g-hprg-8363"],"products":["apereo:opencast"],"source":"nvd","synced_at":"2026-10-19T21:01:01.339895972+00:00"},"epss":{"cve":"CVE-2020-5222","score":0.00939,"percentile":0.60927,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-mh8g-hprg-8363","url":"https://osv.dev/vulnerability/GHSA-mh8g-hprg-8363","summary":"Hard-Coded Key Used For Remember-me Token in Opencast","modified":"2026-09-10T03:48:42.446722125Z","packages":[{"ecosystem":"Maven","name":"org.opencastproject:opencast-kernel","purl":"pkg:maven/org.opencastproject/opencast-kernel","ranges":["<7.6"],"fixed":["7.6"]},{"ecosystem":"Maven","name":"org.opencastproject:opencast-kernel","purl":"pkg:maven/org.opencastproject/opencast-kernel","ranges":[">=8.0 <8.1"],"fixed":["8.1"]}]}],"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."]}