{"id":"CVE-2024-22400","aliases":["EUVD-2024-19955","GHSA-622q-xhfr-xmv7"],"status":"published","title":"Open redirect in user_saml via RelayState parameter in Nextcloud User Saml","description":"Nextcloud User Saml is an app for authenticating Nextcloud users using SAML. In affected versions users can be given a link to the Nextcloud server and end up on a uncontrolled thirdparty server. It is recommended that the User Saml app is upgraded to version 5.1.5, 5.2.5, or 6.0.1. There are no known workarounds for this issue.","severity":{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00454,"percentile":0.39719,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601"],"published":"2024-01-18T19:21:06Z","modified":"2026-10-28T02:30:40Z","products":[{"vendor":"kiteworks","product":"security-advisories"},{"vendor":"nextcloud","product":"security-advisories"},{"vendor":"nextcloud","product":"sso_\\\u0026_saml_authentication"}],"references":[{"url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-622q-xhfr-xmv7","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://github.com/nextcloud/user_saml/pull/788","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"https://github.com/nextcloud/user_saml/commit/b184304a476deeba36e92b70562d5de7c2f85f8a","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"https://hackerone.com/reports/2263044","tags":["x_refsource_MISC","x_transferred","Permissions Required","Third Party Advisory","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/22xxx/CVE-2024-22400.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-22400","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-22400","title":"Open redirect in user_saml via RelayState parameter in Nextcloud User Saml","description":"Nextcloud User Saml is an app for authenticating Nextcloud users using SAML. In affected versions users can be given a link to the Nextcloud server and end up on a uncontrolled thirdparty server. It is recommended that the User Saml app is upgraded to version 5.1.5, 5.2.5, or 6.0.1. There are no known workarounds for this issue.","status":"published","published":"2024-01-18T19:21:06.618Z","modified":"2025-06-17T21:19:22.05Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:34:00.254134Z"}],"euvd":[{"id":"EUVD-2024-19955","description":"Nextcloud User Saml is an app for authenticating Nextcloud users using SAML. In affected versions users can be given a link to the Nextcloud server and end up on a uncontrolled thirdparty server. It is recommended that the User Saml app is upgraded to version 5.1.5, 5.2.5, or 6.0.1. There are no known workarounds for this issue.","status":"published","published":"2024-01-18T19:21:06Z","modified":"2025-06-17T21:19:22Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T20:32:21.000623Z"}],"nvd":[{"id":"CVE-2024-22400","description":"Nextcloud User Saml is an app for authenticating Nextcloud users using SAML. In affected versions users can be given a link to the Nextcloud server and end up on a uncontrolled thirdparty server. It is recommended that the User Saml app is upgraded to version 5.1.5, 5.2.5, or 6.0.1. There are no known workarounds for this issue.","status":"published","published":"2024-01-18T20:15:08.36Z","modified":"2026-06-17T07:11:20.173Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:09:32.147098Z"}],"osv":[{"id":"CVE-2024-22400","title":"Open redirect in user_saml via RelayState parameter in Nextcloud User Saml","description":"Nextcloud User Saml is an app for authenticating Nextcloud users using SAML. In affected versions users can be given a link to the Nextcloud server and end up on a uncontrolled thirdparty server. It is recommended that the User Saml app is upgraded to version 5.1.5, 5.2.5, or 6.0.1. There are no known workarounds for this issue.","status":"published","published":"2024-01-18T19:21:06.618Z","modified":"2026-10-28T02:30:40.915206214Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:44:38.577405Z"}]}}