PoC Index

CVE-2021-41256

HIGH 7.1EPSS 1.1%

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.

CVSS v3.1
7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v3.1
5.8 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
CVSS v2.0
5.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N
EPSS
1.08% chance of exploitation in the next 30 days, 63th percentile
Published
2021-11-30
Updated
2024-08-04

Proof-of-concept exploits (1)

References

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