{"cve":"CVE-2024-37312","nvd":{"published":"2024-06-14T15:15:51.197","modified":"2026-06-17T07:38:07.303","status":"Analyzed","description":"user_oidc app is an OpenID Connect user backend for Nextcloud. Missing access control on the ID4me endpoint allows an attacker to register an account eventually getting access to data that is available to all registered users. It is recommended that the OpenID Connect user backend is upgraded to 3.0.0 (Nextcloud 20-23), 4.0.0 (Nexcloud 24) or 5.0.0 (Nextcloud 25-28).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","score":6.3},"cwes":["CWE-284"],"references":["https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw7g-959g-vj6q","https://github.com/nextcloud/user_oidc/commit/9f68a716ecd264160a7c098b8840313f1ac855f2","https://hackerone.com/reports/2376929","https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw7g-959g-vj6q","https://github.com/nextcloud/user_oidc/commit/9f68a716ecd264160a7c098b8840313f1ac855f2"],"products":["nextcloud:user_oidc"],"source":"nvd","synced_at":"2026-10-19T21:52:00.836172422+00:00"},"epss":{"cve":"CVE-2024-37312","score":0.00637,"percentile":0.5056,"date":"2026-11-01"},"kev":null,"osv":[],"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."]}