Auth bypass in Nextcloud

CVE-2019-15615

A wrong check for the system time in the Android App 3.9.0 causes a bypass of the lock protection when changing the time of the system to the past.

EPSS: 0.004 (29.5th 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
  • N/a Nextcloud Android — versions 3.9.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-15615?
CVE-2019-15615 is a medium-severity vulnerability in Nextcloud, classified under Improper Access Control. CVSS score: 6.1/10. Published 2020-02-04.
How severe is CVE-2019-15615?
Medium severity. CVSS v3 base score is 6.1 out of 10.