{"id":"CVE-2023-39954","summary":"user_oidc app stores client secret unencrypted in database","details":"user_oidc provides the OIDC connect user backend for Nextcloud, an open-source cloud platform. Starting in version 1.0.0 and prior to version 1.3.3, an attacker that obtained at least read access to a snapshot of the database can impersonate the Nextcloud server towards linked servers. user_oidc 1.3.3 contains a patch. No known workarounds are available.","aliases":["GHSA-3f92-5c8p-f6gq"],"modified":"2026-08-12T03:51:37.277509706Z","published":"2023-08-10T14:32:27.032Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-311"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39954.json"},"references":[{"type":"WEB","url":"https://hackerone.com/reports/1994328"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39954.json"},{"type":"ADVISORY","url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3f92-5c8p-f6gq"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39954"},{"type":"FIX","url":"https://github.com/nextcloud/user_oidc/pull/636"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nextcloud/user_oidc","events":[{"introduced":"2b27bd81899d8607f82ad41c2831bef91db835a5"},{"fixed":"3ff24f81b96792d96a2647d7b1f857b891c84643"}],"database_specific":{"cpe":"cpe:2.3:a:nextcloud:user_oidc:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.0.0"},{"fixed":"1.3.3"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["v1.2.0","v1.3.2","v1.3.1","v1.3.0","v1.2.1","v1.1.0","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-39954.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N"}]}