cvedb.io
CVE-2022-39339
MEDIUM · CVSS 4.3
EPSS exploitation probability: 0%
Published 2022-11-25T19:15:11.543 · Last modified 2026-06-17T04:58:10.333

Summary

user_oidc is an OpenID Connect user backend for Nextcloud. In versions prior to 1.2.1 sensitive information such as the OIDC client credentials and tokens are sent in plain text of HTTP without TLS. Any malicious actor with access to monitor user traffic may have been able to compromise account security. This issue has been addressed in in user_oidc v1.2.1. Users are advised to upgrade. Users unable to upgrade may use https to access Nextcloud. Set an HTTPS discovery URL in the provider settings (in Nextcloud OIDC admin settings).

Affected products

nextcloud — openid_connect_user_backend

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.