CVE-2019-15617

5.4 mediumEPSS 0.6%

Medium (5.4) in nextcloud nextcloud server. EPSS 0.6% chance of exploitation in the next 30 days.

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

Severity

5.4 medium

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2020-02-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19