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CVE-2015-3860

20
FAUCET Score

CVE-2015-3860 describes a lockscreen bypass vulnerability in Android 5.x before 5.1.1 LMY48M. This flaw allows a physically proximate attacker to bypass access restrictions by entering an excessively long password into the passwordEntry field, causing the SystemUI to crash. With a CVSS score of 7.2, this vulnerability is considered high severity due to its local attack vector, low attack complexity, and complete impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB, though it has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.1CPE matchmatch criteria
cpe:2.3:o:google:android:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 24th percentile among its peer group of 3,241 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

android.googlesource.com / platform/frameworks/base/+/8fba7e6931245a17215e0e740e78b45f6b66d590
Vendor Advisory
code.google.com / p/android/issues/detail
Exploit
groups.google.com / forum/message/raw
Vendor Advisory
sites.utexas.edu / iso/2015/09/15/android-5-lockscreen-bypass
Exploit