Public proof of concept

CVE-2015-6639

A public proof of concept exists; no exploitation attested.

Published2016-01-06
WeaknessCWE-264

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The Widevine QSEE TrustZone application in Android 5.x before 5.1.1 LMY49F and 6.0 before 2016-01-01 allows attackers to gain privileges via a crafted application that leverages QSEECOM access, aka internal bug 24446875.

Timeline

dates in UTC

2016-01-0619:59CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2015-6639?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2015-6639?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Google android

Branch	Affected	Fixed in	Source
5.0	= 5.0	no fix published	NVD
5.1	= 5.1.1	no fix published	NVD
6.0	= 6.0	no fix published	NVD
6.0	= 6.0.1	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

source.android.comVendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: EDB-39757
Proof-of-concept repositories: 2 repositories, unverifiedlaginimaineb/cve-2015-6639laginimaineb/ExtractKeyMaster

Sources

NVDCVSS 3.07.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
NVDweakness (CWE)CWE-264read 2026-10-23
FIRST EPSSEPSS score7.0 %2026-10-22
PoC-in-GitHubproof of concept2read 2026-10-23
Exploit-DBdetectionread 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2016-01-06
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2015-6639?

Is CVE-2015-6639 actively exploited?

Active exploitation of CVE-2015-6639 has not been confirmed. Its EPSS score was 7.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2015-6639?

CVE-2015-6639 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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