Improper Authentication in Nextcloud Android Files
Priority MEDIUM 46CWE-287Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
Nextcloud Android app is the Android client for Nextcloud, a self-hosted productivity platform. Prior to version 3.19.1, users can bypass a lock on the Nextcloud app on an Android device by repeatedly reopening the app. Version 3.19.1 contains a fix for the problem. There are currently no known workarounds.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00474 41st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed security-advisories (nextcloud): 3.19.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA security-advisories (nextcloud) Fixed in 3.19.1
Timeline
- 2026-10-02 Threatist record created from CVE-2022-24885
References
More Nextcloud vulnerabilities
- TI-2022-11704 Sensitive files/data exist after deletion of user account in Nextcloud Android CVSS 3.1LOW 3.3
- TI-2019-03862 SQL injection in com.nextcloud.client CVSS 3.1CRITICAL 9.8
- TI-2021-19669 SQL Injection in FileContentProvider (GHSL-2021-1007) CVSS 3.1HIGH 7.5
- TI-2023-13460 Nextcloud: Lack of authenticity of metadata keys allows a malicious server to gain access to E2EE folders CVSS 3.1MEDIUM 6.9
- TI-2021-12395 End-to-end encryption device setup did not verify public key CVSS 3.1HIGH 7.5
- TI-2021-05773 Information disclosure in Nextcloud iOS app CVSS 3.1MEDIUM 6.5
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences