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    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).

    Published:Jun 14, 2024
    Last Modified:Aug 14, 2025
    EPS:Jun 14, 2024
    EPSS Score:0.00344
    CVSS Score:6.3

    Affected Products

    Vendor
    Nextcloud
    Product
    User Oidc

    Exploits

    https://hackerone.com/reports/2376929https://hackerone.com/reports/2376929

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

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    CVE-2024-52512 (CVSS 3.3) — user_oidc app is an OpenID Connect user backend for Nextcloud. A malicious user could send a malformed login l…
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    CVE-2023-39954 (CVSS 3.8) — user_oidc provides the OIDC connect user backend for Nextcloud, an open-source cloud platform. Starting in ver…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High