CVE-2019-15617

MEDIUM

Nextcloud Server < 17.0.1 - Improper Authentication via Second Factor Setup

Title source: llm

A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login.

Core 2

Core References

Permissions Required x_refsource_misc

Vendor Advisory x_refsource_misc

CVSS v3 5.4

EPSS 0.0011

EPSS Percentile 28.4%

Attack Vector NETWORK

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

CWE

CWE-287

Status published

Products (1)

nextcloud/nextcloud_server < 17.0.1

Published Feb 04, 2020

Tracked Since Feb 18, 2026