CVE-2021-41166
4.3 · MEDIUMOverview
CVE-2021-41166 is a medium-severity vulnerability affecting nextcloud nextcloud. It was published on January 26, 2022 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
The Nextcloud Android app is the Android client for Nextcloud, a self-hosted productivity platform. An issue in versions prior to 3.17.1 may lead to sensitive information disclosure. An unauthorized app that does not have the otherwise required `MANAGE_DOCUMENTS` permission may view image thumbnails for images it does not have permission to view. Version 3.17.1 contains a patch. There are no known workarounds.
Remediation
Check the references section for vendor advisories and patches from nextcloud. Update nextcloud to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| nextcloud | nextcloud | >= 0, < 3.17.1 | Affected |
References
Frequently Asked Questions
What is CVE-2021-41166?
CVE-2021-41166 is a medium-severity vulnerability affecting nextcloud nextcloud. It was published on January 26, 2022 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
How severe is CVE-2021-41166?
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-41166?
Check the references section for vendor advisories and patches from nextcloud. Update nextcloud to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-41166?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-41166 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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