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Huawei HarmonyOS Calendar Storage Permission Bypass Vulnerability

Vulnerability

A permission bypass vulnerability has been identified in the calendar storage module of Huawei's HarmonyOS. This vulnerability affects several versions, including HarmonyOS 4.3.0, 4.2.0, 4.0.0, and EMUI 14.0.0. Successful exploitation of this vulnerability may disrupt the schedule syncing function on affected watches.

Impact

Exploitation of this vulnerability may interfere with the schedule syncing function on watches.

Added: Jul 7, 2025, 3:35 AM
Updated: Jul 7, 2025, 3:35 AM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.6
exploitability
3.3
remediation
0.0
relevance
0.2
threat
0.0
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.