CVE-2021-46887 | BDVDB-2026-203253 Detail

HuaweiEMUI

Description#

Lack of length check vulnerability in the HW_KEYMASTER module. Successful exploitation of this vulnerability may cause out-of-bounds read.

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

No weakness recorded in the source data.

No public exploit known

9.8 Critical

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 41.9.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).