CVEvulnerability
CVE-2023-39954
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-08-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.8 LOW — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-311
Description
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.
Affected configurations
• nextcloud user oidc (>= 1.0.0 < 1.3.3)
Related
Weakness · CWE (1)
- CWE-311 Missing Encryption of Sensitive Data weakness
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3f92-5c8p-f6gq Patch, Vendor Advisory
- https://github.com/nextcloud/user_oidc/pull/636 Patch
- https://hackerone.com/reports/1994328 Permissions Required
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3f92-5c8p-f6gq Patch, Vendor Advisory
- https://github.com/nextcloud/user_oidc/pull/636 Patch
- https://hackerone.com/reports/1994328 Permissions Required