CVE-2021-41256

Intent URI permissions manipulation in nextcloud news-android

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.

Affected

nextcloud · news-android

CVSS v3.1 NVD

7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CVSS v3.1 GITHUB

5.8 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N

CVSS v2.0 NVD

5.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N

EPSS

1.11% chance of exploitation in the next 30 days, 65th percentile

Published

2021-11-30

Updated

2024-08-04

Proof-of-concept exploits (1)

• nextcloud/news-android/blob/master/security/GHSL-2021-1033_Nextcloud_News_for_Android.md768★ · 2026-10-16

Security advisories

• nextcloud/news-android/security/advisories/GHSA-2q9v-q3cc-h9f3

References

• CVE Record
• NVD entry