CVE-2021-39998
HIGHHarmonyOS < 2.0 - Denial of Service via HwConnectivityExService API Concurrency
Title source: llmDescription
There is Vulnerability of APIs being concurrently called for multiple times in HwConnectivityExService a in smartphones. Successful exploitation of this vulnerability may cause the system to crash and restart.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0000001183296718
Vendor Advisory x_refsource_misc
https://consumer.huawei.com/en/support/bulletin/2021/12/
Scores
CVSS v3
7.5
EPSS
0.0015
EPSS Percentile
35.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
Status
published
Products (4)
huawei/emui
11.0.0
huawei/emui
11.0.1
huawei/harmonyos
< 2.0
huawei/magic_ui
4.0.0
Published
Jan 10, 2022
Tracked Since
Feb 18, 2026