Huawei HarmonyOS/EMUI Device Node Access operation after expiration

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 (≈)
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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.
5.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Huawei HarmonyOS and EMUI and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Device Node Access Module. The manipulation leads to operation after expiration. This vulnerability is documented as CVE-2024-56434. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability was found in Huawei HarmonyOS and EMUI (the affected version unknown) and classified as problematic. This issue affects an unknown part of the component Device Node Access Module. The manipulation with an unknown input leads to a operation after expiration vulnerability. Using CWE to declare the problem leads to CWE-672. The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked. Impacted is availability. The summary by CVE is:

UAF vulnerability in the device node access module Impact: Successful exploitation of this vulnerability may cause service exceptions of the device.

The advisory is shared at consumer.huawei.com. The identification of this vulnerability is CVE-2024-56434 since 12/26/2024. The exploitation is known to be difficult. An attack has to be approached locally. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k 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-2024-53143). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.4
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 4.4
CNA Vector (huawei): 🔍

CVSSv2info

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

Exploitinginfo

Class: Operation after expiration
CWE: CWE-672
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-2024-56434 (🔍)
GCVE (CVE): GCVE-0-2024-56434
GCVE (VulDB): GCVE-100-290741
EUVD: 🔍

Entryinfo

Created: 01/08/2025 05:04
Updated: 09/18/2025 19:47
Changes: 01/08/2025 05:04 (61), 01/14/2025 01:45 (12), 02/14/2025 13:57 (3), 09/18/2025 19:47 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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