Huawei HarmonyOS 5.0.0 protection mechanism

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Huawei HarmonyOS 5.0.0. The impacted element is an unknown function. This manipulation causes protection mechanism. This vulnerability is tracked as CVE-2024-56439. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Huawei HarmonyOS 5.0.0. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a protection mechanism vulnerability. The CWE definition for the vulnerability is CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Access control vulnerability in the identity authentication module Impact: Successful exploitation of this vulnerability may affect service confidentiality.

The advisory is shared at consumer.huawei.com. This vulnerability is known as CVE-2024-56439 since 12/26/2024. The exploitation appears to be difficult. An attack has to be approached locally. Additional levels of successful authentication are required for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/18/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-53148). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 6.4
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (huawei): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Protection mechanism
CWE: CWE-693
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/26/2024 🔍
01/08/2025 +13 days 🔍
01/08/2025 +0 days 🔍
09/18/2025 +253 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: consumer.huawei.com
Status: Confirmed

CVE: CVE-2024-56439 (🔍)
GCVE (CVE): GCVE-0-2024-56439
GCVE (VulDB): GCVE-100-290737
EUVD: 🔍

Entryinfo

Created: 01/08/2025 05:04
Updated: 09/18/2025 12:33
Changes: 01/08/2025 05:04 (61), 01/14/2025 01:58 (12), 09/18/2025 12:33 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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