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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-41256

24
FAUCET Score

CVE-2021-41256 is a high-severity vulnerability affecting the Nextcloud News for Android application, allowing a malicious app on the same device to gain read and write access to non-exported Content Providers. This local attack requires user interaction (UI:R) and could lead to high confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability. Users are advised to upgrade to version 0.9.9.63 or higher to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.9.63CPE matchmatch criteria
cpe:2.3:a:nextcloud:news:*:*:*:*:*:android:*:*

CVSS Data

CVSS version used by this source: 3.1

5.8MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
0.6
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.08%
Probability of exploitation in next 30 days
EPSS Percentile
61.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0108 is in the 59th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

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