CVE-2021-39990

CRITICAL

HarmonyOS < 2.0 - Stack-based Buffer Overflow in Screen Lock Module

Title source: llm
STIX 2.1

Description

The screen lock module has a Stack-based Buffer Overflow vulnerability.Successful exploitation of this vulnerability may affect user experience.

References (1)

Core 1

Scores

CVSS v3 9.8
EPSS 0.0025
EPSS Percentile 48.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (1)
huawei/harmonyos < 2.0
Published Jan 03, 2022
Tracked Since Feb 18, 2026