Vulnerability CVE-2017-9820
Published: 2018-08-24

Description:
The National Payments Corporation of India BHIM application 1.3 for Android uses a custom keypad for which the input element is available to the Accessibility service, which makes it easier for attackers to bypass authentication.

Type:

CWE-287

 (Improper Authentication)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
NPCI -> Bharat interface for money (bhim) 

 References:
https://exchange.xforce.ibmcloud.com/vulnerabilities/148925
https://github.com/magicj3lly/appexploits/blob/master/BHIM-App-PreliminaryReport.pdf
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