CVE-2021-41239 Vulnerability Details

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CVE-2021-41239 Metadata Quick Info

CVE Published: 08/03/2022 | CVE Updated: 04/08/2024 | CVE Year: 2021
Source: GitHub_M | Vendor: nextcloud | Product: security-advisories
Status : PUBLISHED

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CVE-2021-41239 Description

Nextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It is recommended that the Nextcloud Server is upgraded to 20.0.14, 21.0.6 or 22.2.1. There are no known workarounds.

Metrics

CVSS Version: 3.1 | Base Score: 5.3 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* NONE
    User Interaction (UI)* NONE
    Scope (S)* UNCHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* LOW
    Integrity Impact (I)* NONE
    Availability Impact (A)* NONE

Weakness Enumeration (CWE)

CWE-ID: CWE-200
CWE Name: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Source: nextcloud

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).