{"id":"CVE-2017-18262","aliases":["EUVD-2017-9390","GHSA-946w-mjq8-xx28"],"status":"published","title":"Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects on any...","description":"Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects on any signed-in user through its endpoints for handling Shibboleth logins, as demonstrated by a webapps/bb-auth-provider-shibboleth-BBLEARN/execute/shibbolethLogin?returnUrl= URI.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.0139,"percentile":0.7248,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-601"],"published":"2018-04-30T13:00:00Z","modified":"2026-06-17T01:12:30Z","products":[{"vendor":"blackboard","product":"blackboard_learn"}],"references":[{"url":"http://www.securitytracker.com/id/1040767","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://seclists.org/fulldisclosure/2018/Apr/57","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://ethan.pm/blackboard.txt","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-18262"},{"url":"https://github.com/advisories/GHSA-946w-mjq8-xx28"}],"sources":{"cve":[{"id":"CVE-2017-18262","description":"Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects on any signed-in user through its endpoints for handling Shibboleth logins, as demonstrated by a webapps/bb-auth-provider-shibboleth-BBLEARN/execute/shibbolethLogin?returnUrl= URI.","status":"published","published":"2018-04-30T13:00:00Z","modified":"2024-08-05T21:13:49.302Z","updated_at":"2026-11-02T14:33:21.747294Z"}],"euvd":[{"id":"EUVD-2017-9390","description":"Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects on any signed-in user through its endpoints for handling Shibboleth logins, as demonstrated by a webapps/bb-auth-provider-shibboleth-BBLEARN/execute/shibbolethLogin?returnUrl= URI.","status":"published","published":"2018-04-30T13:00:00Z","modified":"2024-08-05T21:13:49Z","updated_at":"2026-11-03T02:23:07.6199Z"}],"ghsa":[{"id":"GHSA-946w-mjq8-xx28","title":"Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects on any...","description":"Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects on any signed-in user through its endpoints for handling Shibboleth logins, as demonstrated by a webapps/bb-auth-provider-shibboleth-BBLEARN/execute/shibbolethLogin?returnUrl= URI.","status":"published","published":"2022-05-14T03:19:30Z","modified":"2023-02-02T05:07:41Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:52:33.872402Z"}],"nvd":[{"id":"CVE-2017-18262","description":"Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects on any signed-in user through its endpoints for handling Shibboleth logins, as demonstrated by a webapps/bb-auth-provider-shibboleth-BBLEARN/execute/shibbolethLogin?returnUrl= URI.","status":"published","published":"2018-04-30T13:29:00.26Z","modified":"2026-06-17T01:12:30.23Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20","CWE-601"],"updated_at":"2026-11-02T14:04:17.638656Z"}]}}