What is CVE-2015-6645?

CVE-2015-6645 is a medium-severity vulnerability in Google Android, classified under CWE-264. CVSS score: 5.0/10. Published 2016-01-06.

How severe is CVE-2015-6645?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Is CVE-2015-6645 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Google Android

CVE-2015-6645

SyncManager in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 allows attackers to cause a denial of service (continuous rebooting) via a crafted application, aka internal bug 23591205.

Published 2016-01-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (24.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Google Android — versions 4.4.4, 5.0, 5.0.1

Weakness classification (CWE)

CWE-264

Public proof-of-concept exploits

References

www.securitytracker.com/id/1034592 (vdb-entry)
source.android.com/security/bulletin/2016-01-01.html (Vendor Advisory)

Frequently asked questions

What is CVE-2015-6645?: CVE-2015-6645 is a medium-severity vulnerability in Google Android, classified under CWE-264. CVSS score: 5.0/10. Published 2016-01-06.
How severe is CVE-2015-6645?: Medium severity. CVSS v3 base score is 5.0 out of 10.
Is CVE-2015-6645 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.