What’s Vulnerable › Vulnerabilities

CVE-2022-39210: Access to internal files of the Nextcloud Android app

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-09-17 · updated 2026-06-17
• Weakness: CWE-22

Description

Nextcloud android is the official Android client for the Nextcloud home server platform. Internal paths to the Nextcloud Android app files are not properly protected. As a result access to internal files of the from within the Nextcloud Android app is possible. This may lead to a leak of sensitive information in some cases. It is recommended that the Nextcloud Android app is upgraded to 3.21.0. There are no known workarounds for this issue.

Affected products

• com.nextcloud.client: before 3.21.0 — fixed in 3.21.0

How to fix

Upgrade to a fixed version: com.nextcloud.client 3.21.0. Check the vendor advisory for mitigations.

References

• https://github.com/nextcloud/android/pull/10544
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw2w-gpcv-v39f
• https://github.com/nextcloud/android/pull/10544
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vw2w-gpcv-v39f

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