What is CVE-2019-5451?

CVE-2019-5451 is a medium-severity vulnerability in Nextcloud Server, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 4.6/10. Published 2019-07-30.

How severe is CVE-2019-5451?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Auth bypass in Nextcloud Server

CVE-2019-5451

Bypass lock protection in the Nextcloud Android app prior to version 3.6.1 allows accessing the files when repeatedly opening and closing the app in a very short time.

EPSS: 0.004 (31.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Nextcloud Nextcloud_server
N/a Com.nextcloud.client — versions 3.6.1

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel
CWE-306 — Missing Authentication for Critical Function

References

support@hackerone.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-5451?: CVE-2019-5451 is a medium-severity vulnerability in Nextcloud Server, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 4.6/10. Published 2019-07-30.
How severe is CVE-2019-5451?: Medium severity. CVSS v3 base score is 4.6 out of 10.