Is CVE-2021-41256 in the CISA KEV catalog?

No. CVE-2021-41256 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-41256?

CVE-2021-41256 has a CVSS v3 base score of 5.8 (MEDIUM).

What is the EPSS score for CVE-2021-41256?

CVE-2021-41256 has an EPSS score of 1.08% (61th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-41256?

Upgrade news to 0.9.9.63 or later.

CVE & CISA-KEV Catalog

CVE-2021-41256

MEDIUM

5.8

CVSS v3

NVD

Description

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.

CWE-829

How to fix

Remediation Available

newsNVD

Affected:< 0.9.9.63Fixed in:0.9.9.63CVE-2021-41256derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.08%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Patch2

Exploit1

github.com

Embed a live status badge for CVE-2021-41256

Markdown

[![CVE-2021-41256](https://tridentstack.com/cve/badge/CVE-2021-41256.svg)](https://tridentstack.com/cve/CVE-2021-41256)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-41256"><img src="https://tridentstack.com/cve/badge/CVE-2021-41256.svg" alt="CVE-2021-41256"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.