Vulnerability in Nextcloud News
CVE-2021-41256
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.011 (64.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000
Affected products
- Nextcloud News
- Nextcloud News-Android — versions < 0.9.9.63
Weakness classification (CWE)
References
- github.com/nextcloud/news-android/security/advisories/GHSA-2q9v-q3cc-h9f3 (Patch, Third Party Advisory)
- github.com/nextcloud/news-android/commit/05449cb666059af7de2302df9d5c02997a23df… (Patch, Third Party Advisory)
- github.com/nextcloud/news-android/blob/master/security/GHSL-2021-1033_Nextcloud… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-41256?
- CVE-2021-41256 is a medium-severity vulnerability in Nextcloud News, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 5.8/10. Published 2021-11-30.
- How severe is CVE-2021-41256?
- Medium severity. CVSS v3 base score is 5.8 out of 10.