Vulnerability Details : CVE-2021-41256
Potential exploit
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.
Vulnerability category: File inclusion
Products affected by CVE-2021-41256
- cpe:2.3:a:nextcloud:news:*:*:*:*:*:android:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-41256
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-41256
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
7.1
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
1.8
|
5.2
|
NIST | |
5.8
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N |
0.6
|
5.2
|
GitHub, Inc. |
CWE ids for CVE-2021-41256
-
The product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.Assigned by: security-advisories@github.com (Primary)
References for CVE-2021-41256
-
https://github.com/nextcloud/news-android/security/advisories/GHSA-2q9v-q3cc-h9f3
Intent URI permissions manipulation · Advisory · nextcloud/news-android · GitHubPatch;Third Party Advisory
-
https://github.com/nextcloud/news-android/blob/master/security/GHSL-2021-1033_Nextcloud_News_for_Android.md
news-android/GHSL-2021-1033_Nextcloud_News_for_Android.md at master · nextcloud/news-android · GitHubExploit;Third Party Advisory
-
https://github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df85
fix GHSL-2021-1033 · nextcloud/news-android@05449cb · GitHubPatch;Third Party Advisory
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