CVE-2024-56436 | BDVDB-2026-261613 Detail

HuaweiHarmonyOS

Description#

Cross-process screen stack vulnerability in the UIExtension module Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: local.

Weaknesses#

CWE-1021 Improper Restriction of Rendered UI Layers or Frames

References#

https://consumer.huawei.com/en/support/bulletin/2025/1/

Exploit#

No public exploit known

History#

Version 12025-01-08Record published in the CVE List.
Version 22025-09-18Most recent update recorded in the CVE List.

Published

Published: 2025-01-08
Last modified: 2025-09-18

Vendor information

Vendor: Huawei
Product: HarmonyOS

All Huawei vulnerabilities

Score

5.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 8.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

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

Affected Systems

Vulnerable
5.0.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.5 Medium

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

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