What is CVE-2019-5453?

CVE-2019-5453 is a medium-severity vulnerability in Nextcloud Com.nextcloud.client, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 6.1/10. Published 2019-07-30.

How severe is CVE-2019-5453?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Auth bypass in Nextcloud Com.nextcloud.client

CVE-2019-5453

Bypass lock protection in the Nextcloud Android app prior to version 3.3.0 allowed access to files when being prompted for the lock protection and switching to the Nextcloud file provider.

EPSS: 0.005 (38.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Nextcloud Com.nextcloud.client — versions 3.3.0
Nextcloud — versions 3.3.0

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel
CWE-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2019-5453?: CVE-2019-5453 is a medium-severity vulnerability in Nextcloud Com.nextcloud.client, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 6.1/10. Published 2019-07-30.
How severe is CVE-2019-5453?: Medium severity. CVSS v3 base score is 6.1 out of 10.