The ownCloud application before 2.15 for Android allows attackers to use adb to include a PIN preferences value in a backup archive, and consequently bypass the PIN lock feature by restoring from this archive.
CVSS v4.0 Metrics
Exploitability
Attack VectorPhysical
ComplexityHigh
RequirementsPresent
PrivilegesLow
User InteractionActive
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityHigh
IntegrityNone
AvailabilityNone
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | cve.org | initial, patch: Unavailable | 0.6 |
Affected Software
| Vendor | Product | Version |
|---|
| owncloud | owncloud_client | < 2.15 |
Published: 2021-02-19