CVE-2023-39954

LOW

nextcloud/user_oidc 1.0.0-1.3.2 - Missing Encryption of Sensitive Data

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Permissions Required x_refsource_misc
https://hackerone.com/reports/1994328

Scores

CVSS v3 3.8
EPSS 0.0036
EPSS Percentile 27.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-311
Status published
Products (1)
nextcloud/user_oidc 1.0.0 - 1.3.3
Published Aug 10, 2023
Tracked Since Feb 18, 2026