SARA / Free Tools / CVE / CVE-2019-15615

CVE-2019-15615 — A wrong check for the system time in the Android App 3

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.

CVSS

— —

EPSS

0.05% (top 84.20%)

CWE

CWE-284

Published

2020-02-04T19:08:57.000Z

Last modified

2024-08-05T00:56:20.881Z

CVSS vector

—

01What is this vulnerability?

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.

Vendor	Product	Versions
n	a / Nextcloud Android	3.9.1

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

Want this in your SOAR or SIEM?
SARA's API returns EPSS, CVSS, KEV, and an analyst-grade summary in one call.