CVE-2021-32695— Malicious Android app could access Shared Preferences of the Nextcloud Android client
Quick assessment
Affected
nextcloud security-advisories
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Nextcloud Android app是德国Nextcloud公司的一款基于Android平台，用于访问Nextcloud服务器的移动应用程序。 Nextcloud Android app存在信息泄露漏洞，该漏洞源于同一设备上的恶意应用程序可以访问Nextcloud Android app的共享首选项。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-32695
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Malicious Android app could access Shared Preferences of the Nextcloud Android client
Source: CVE Program / CVE List V5
Vulnerability Description
Nextcloud Android app is the Android client for Nextcloud. In versions prior to 3.16.1, a malicious app on the same device could have gotten access to the shared preferences of the Nextcloud Android application. This required user-interaction as a victim had to initiate the sharing flow and choose the malicious app. The shared preferences contain some limited private data such as push tokens and the account name. The vulnerability is patched in version 3.16.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Nextcloud Android app 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud Android app是德国Nextcloud公司的一款基于Android平台，用于访问Nextcloud服务器的移动应用程序。 Nextcloud Android app存在信息泄露漏洞，该漏洞源于同一设备上的恶意应用程序可以访问Nextcloud Android app的共享首选项。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| nextcloud | security-advisories | < 3.16.1 | - |
|
II. Public POCs for CVE-2021-32695
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-32695
请登录查看更多情报信息。
Patches & Fixes for CVE-2021-32695 (1)
-
https://github.com/nextcloud/android/pull/8433 x_refsource_MISC
Vendor Advisories for CVE-2021-32695 (1)
Other References for CVE-2021-32695 (1)
-
https://hackerone.com/reports/1142918 x_refsource_MISC
IV. Related Vulnerabilities
Same product: security-advisories
-
CVE-2026-81515
Steeltoe.Discovery.Eureka: malformed enum/bool/timestamp fie -
CVE-2026-81516
Steeltoe.Discovery.Consul: malformed 'secure' metadata abort -
CVE-2026-81868
Steeltoe: Header-forwarded client cert lacks proof of privat -
CVE-2026-75523
Steeltoe.Management.Endpoint: HttpExchanges URI masking leak -
CVE-2026-24754
Kiteworks Secure Data Forms Vulnerable to Cross-site Scripti
Same weakness: CWE-200
-
CVE-2026-106561
Backstage: Sensitive information disclosure in Kubernetes re -
CVE-2026-93677
Langflow OSS is affected by multiple vulnerabilities -
CVE-2026-97626
Gitea profile feed disclosure bypassing user visibility -
CVE-2026-106501
Backstage: Sensitive information exposure in Scaffolder -
CVE-2026-106459
Backstage: Improper input validation in Sentry scaffolder ac
V. Comments for CVE-2021-32695
No comments yet