Google Android Qualcomm Touch Controller Variable 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 (Smartphone Operating System) (affected version unknown) and classified as critical. Affected by this issue is an unknown functionality of the component Qualcomm Touch Controller. The manipulation as part of a Variable leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In the touch controller function in all Qualcomm products in all Android releases from CAF using the Linux kernel, a variable may be controlled by the user and can lead to a buffer overflow.

The bug was discovered 06/05/2017. The weakness was released 08/16/2017 (Website). The advisory is available at This vulnerability is handled as CVE-2017-6421 since 03/01/2017. Local access is required to approach this attack. The successful exploitation needs a simple authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 72 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

Entries connected to this vulnerability are available at 102302, 102303, 102304 and 102305.






CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍



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

NVD Base Score: 🔍


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

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: Patch
Status: 🔍

0-Day Time: 🔍



03/01/2017 🔍
06/05/2017 +96 days 🔍
08/16/2017 +72 days 🔍
08/16/2017 +0 days 🔍
08/16/2017 +0 days 🔍
12/16/2022 +1948 days 🔍



Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6421 (🔍)
SecurityTracker: 1038623

scip Labs:
See also: 🔍


Created: 08/16/2017 10:05 PM
Updated: 12/16/2022 06:31 AM
Changes: 08/16/2017 10:05 PM (60), 11/07/2019 03:35 PM (2), 01/09/2021 01:34 PM (3), 12/16/2022 06:31 AM (3)
Complete: 🔍


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