What is CVE-2017-9820?

CVE-2017-9820 is a critical-severity vulnerability in Npci Bharat Interface For Money \(Bhim\), classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-08-24.

How severe is CVE-2017-9820?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Npci Bharat Interface For Money \(Bhim\)

CVE-2017-9820

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.

Vulnerability class: Broken Authentication

Published 2018-08-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (78.1th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Npci Bharat Interface For Money \(Bhim\) — versions 1.3

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

github.com/magicj3lly/appexploits/blob/master/BHIM-App-PreliminaryReport.pdf (Broken Link)
exchange.xforce.ibmcloud.com/vulnerabilities/148925 (Third Party Advisory)

Frequently asked questions

What is CVE-2017-9820?: CVE-2017-9820 is a critical-severity vulnerability in Npci Bharat Interface For Money \(Bhim\), classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-08-24.
How severe is CVE-2017-9820?: Critical severity. CVSS v3 base score is 9.8 out of 10.