CVE-2021-46851

CRITICAL

HarmonyOS - Improper Access Control in DRM Module

Title source: llm
STIX 2.1

Description

The DRM module has a vulnerability in verifying the secure memory attributes. Successful exploitation of this vulnerability may cause abnormal video playback.

References (2)

Core 2

Scores

CVSS v3 9.8
EPSS 0.0020
EPSS Percentile 41.8%
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 yes
Technical Impact total

Details

CWE
CWE-284
Status published
Products (2)
huawei/emui 12.0.0
huawei/harmonyos 2.0
Published Nov 09, 2022
Tracked Since Feb 18, 2026