Improper access control in Nextcloud Android
Priority LOW 27CWE-284Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.
Summary
A wrong check for the system time in the Android App 3.9.0 causes a bypass of the lock protection when changing the time of the system to the past.
Why it matters now
EPSS 0.00369 30th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Nextcloud Android | 3.9.1 | — | No fix listed | CNA |
- Nextcloud Android Vendor— Affected 3.9.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-15615
- 2026-10-03 Alias added: GHSA-68x5-pgwq-vm7v
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-2022-08695 Improper Authentication in Nextcloud Android Files CVSS 3.1LOW 2.4
- 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
Sources
- CVE-2019-15615 · CVE Program
- CVE-2019-15615 · NVD
- FIRST EPSS
- GHSA-68x5-pgwq-vm7v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences