Auth bypass in Nextcloud Server

CVE-2018-16465

Missing state in Nextcloud Server prior to 14.0.0 would not enforce the use of a second factor at login if the the provider of the second factor failed to load.

Vulnerability class: Broken Authentication

EPSS: 0.008 (53.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-16465?
CVE-2018-16465 is a medium-severity vulnerability in Nextcloud Server, classified under Improper Authentication. CVSS score: 5.3/10. Published 2018-10-30.
How severe is CVE-2018-16465?
Medium severity. CVSS v3 base score is 5.3 out of 10.