Google Android up to 5.1.1 LMY49C/6.0 Widevine QSEE TrustZone Application access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Google Android up to 5.1.1 LMY49C/6.0 (Smartphone Operating System) and classified as critical. This issue affects an unknown code of the component Widevine QSEE TrustZone Application. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability.

The weakness was published 01/06/2016 by Marco Grassi with KeenTeam as 24441554 as confirmed bug report (Website). The advisory is shared at The identification of this vulnerability is CVE-2015-6647 since 08/21/2015. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/02/2022). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 5.1.1 LMY49F or 6.0 2016-01-01 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Vulnerability Center (SBV-55615). Similar entries are available at 80093, 80094, 80095 and 80096.






  • free

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Android 5.1.1 LMY49F/6.0 2016-01-01


08/21/2015 🔍
01/01/2016 +133 days 🔍
01/04/2016 +3 days 🔍
01/04/2016 +0 days 🔍
01/06/2016 +2 days 🔍
01/06/2016 +0 days 🔍
01/07/2016 +1 days 🔍
01/11/2016 +4 days 🔍
07/02/2022 +2364 days 🔍



Advisory: 24441554
Researcher: Marco Grassi
Organization: KeenTeam
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-6647 (🔍)
SecurityTracker: 1034592
Vulnerability Center: 55615 - Google Android 5.0, 5.1.1, 6.0 and 6.0.1 Remote Privilege Escalation in Widevine QSEE TrustZone - CVE-2015-6647, Critical
SecurityFocus: 79846 - Google Android Widevine QSEE TrustZone Multiple Privilege Escalation Vulnerabilities

scip Labs:
See also: 🔍


Created: 01/07/2016 09:45 AM
Updated: 07/02/2022 02:33 PM
Changes: 01/07/2016 09:45 AM (64), 06/20/2018 08:52 AM (12), 07/02/2022 02:33 PM (3)
Complete: 🔍


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