5.4
CVSSv3

CVE-2023-28848

Published: 04/04/2023 Updated: 10/04/2023
CVSS v3 Base Score: 5.4 | Impact Score: 2.5 | Exploitability Score: 2.8
VMScore: 0

Vulnerability Summary

user_oidc is the OIDC connect user backend for Nextcloud, an open source collaboration platform. A vulnerability in versions 1.0.0 until 1.3.0 effectively allowed an malicious user to bypass the state protection as they could just copy the expected state token from the first request to their second request. Users should upgrade user_oidc to 1.3.0 to receive a patch for the issue. No known workarounds are available.

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nextcloud user oidc