CVE-2024-37312

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).

• CWE-284

• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw7g-959g-vj6qVendor Advisory
• https://github.com/nextcloud/user_oidc/commit/9f68a716ecd264160a7c098b8840313f1ac855f2Patch
• https://hackerone.com/reports/2376929Exploit, Third Party Advisory
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw7g-959g-vj6qVendor Advisory
• https://github.com/nextcloud/user_oidc/commit/9f68a716ecd264160a7c098b8840313f1ac855f2Patch
• https://hackerone.com/reports/2376929Exploit, Third Party Advisory

Published

Jun 14, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

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