Medium severity · published Feb 4, 2020
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
6.1
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Physical
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NE
Nextcloud · Nextcloud
through 3.9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15615
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-15615
Third Party Advisory
https://hackerone.com/reports/747726
Permissions Required
https://nextcloud.com/security/advisory/?id=NC-SA-2020-004
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