National Payments of India BHIM App 1.3 on Android OTP improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as critical was found in National Payments of India BHIM App 1.3 on Android (Android App Software). Affected by this vulnerability is an unknown code of the component OTP Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The National Payments Corporation of India BHIM application 1.3 for Android does not properly restrict use of the OTP feature, which makes it easier for attackers to bypass authentication.

The bug was discovered 08/21/2018. The weakness was released 08/24/2018 (Website). It is possible to read the advisory at This vulnerability is known as CVE-2017-9819 since 06/22/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at 123210, 123212 and 123213.






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

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: no mitigation known
Status: 🔍

0-Day Time: 🔍


06/22/2017 🔍
08/21/2018 +425 days 🔍
08/24/2018 +2 days 🔍
08/24/2018 +0 days 🔍
08/25/2018 +1 days 🔍
05/04/2023 +1713 days 🔍


Status: Not defined

CVE: CVE-2017-9819 (🔍)
X-Force: 148926

scip Labs:
See also: 🔍


Created: 08/25/2018 08:31 AM
Updated: 05/04/2023 01:25 PM
Changes: 08/25/2018 08:31 AM (60), 03/18/2020 06:50 AM (1), 05/04/2023 01:25 PM (3)
Complete: 🔍


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