VulnerabilityModified
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.
MEDIUM 6.1EPSS 0.37%
Does this matter?
Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.
Description
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 3.1
- 6.1 MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 0.37% probability · 31th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-284, CWE-287
- Affected
- nextcloud/nextcloud
- Source
- support@hackerone.com
EPSS 0.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://hackerone.com/reports/747726Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-004Permissions Required
- https://hackerone.com/reports/747726Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-004Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.