CVE-2016-3749

server/LockSettingsService.java in LockSettingsService in Android 6.x before 2016-07-01 allows...

8.4 HighPublic exploit

server/LockSettingsService.java in LockSettingsService in Android 6.x before 2016-07-01 allows attackers to modify the screen-lock password or pattern via a crafted application, aka internal bug 28163930.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.27%Down 1.1 points since Feb 4, 2022

What each source reports

NVD Score used 8.4

Record: CVE-2016-3749
CVSS 3.0: 8.4 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 4.6 MediumAV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-255
Updated: 2026-11-02

CVE List No score

Record: CVE-2016-3749
Updated: 2026-11-02

EUVDEUVD-2016-4762 No score

Record: EUVD-2016-4762
Updated: 2026-11-03

GitHub AdvisoriesGHSA-jrpp-3mmf-xhcj 8.4

server/LockSettingsService.java in LockSettingsService in Android 6.x before 2016-07-01 allows...

Record: GHSA-jrpp-3mmf-xhcj
CVSS 3.0: 8.4 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

google android

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	nirdev/CVE-2016-3749-PoC	2018-03-18

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-3749 is a high vulnerability (CVSS 8.4) in Google Android, published July 11, 2016. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.