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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.005 (38.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-5453: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

References

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.