CVE-2023-39954

2023-08-1015:15:09

CWE-311

[email protected]

web.nvd.nist.gov

user_oidc

nextcloud

oidc connect

security vulnerability

cve-2023-39954

patch

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

7.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

25.2%

JSON

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

Vulners

NVD

Node

nextcloudnextcloudRange1.0.0–1.3.3

VendorProductVersionCPE
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nextcloud	nextcloud	*	cpe:2.3:a:nextcloud:nextcloud::::::::

CNA Affected

[
  {
    "vendor": "nextcloud",
    "product": "security-advisories",
    "versions": [
      {
        "version": ">= 1.0.0, < 1.3.3",
        "status": "affected"
      }
    ]
  }
]