Hyundai Gen5W_L 001.001.211214 Firmware Installation AppDMClient data authenticity

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Hyundai Gen5W_L 001.001.211214. The impacted element is an unknown function of the file AppDMClient of the component Firmware Installation. Performing a manipulation results in data authenticity. This vulnerability was named CVE-2023-26244. There is no available exploit.

Detailsinfo

A vulnerability was found in Hyundai Gen5W_L 001.001.211214. It has been classified as critical. This affects an unknown code of the file AppDMClient of the component Firmware Installation. The manipulation with an unknown input leads to a data authenticity vulnerability. CWE is classifying the issue as CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in the Hyundai Gen5W_L in-vehicle infotainment system AE_E_PE_EUR.S5W_L001.001.211214. The AppDMClient binary file, which is used during the firmware installation process, can be modified by an attacker to bypass the digital signature check of AppUpgrade and .lge.upgrade.xml files, which are used during the firmware installation process. This indirectly allows an attacker to use a custom version of AppUpgrade and .lge.upgrade.xml files.

The weakness was presented 04/27/2023. This vulnerability is uniquely identified as CVE-2023-26244 since 02/21/2023. Technical details are known, but no exploit is available.

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-2023-30069). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

ADP CISA Base Score: 7.8
ADP CISA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Data authenticity
CWE: CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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

02/21/2023 🔍
04/27/2023 +64 days 🔍
04/27/2023 +0 days 🔍
04/06/2026 +1075 days 🔍

Sourcesinfo

Advisory: sowhat.iit.cnr.it
Status: Not defined

CVE: CVE-2023-26244 (🔍)
GCVE (CVE): GCVE-0-2023-26244
GCVE (VulDB): GCVE-100-227553
EUVD: 🔍

Entryinfo

Created: 04/27/2023 07:10
Updated: 04/06/2026 16:58
Changes: 04/27/2023 07:10 (37), 05/21/2023 06:27 (1), 05/21/2023 06:38 (11), 01/31/2025 20:41 (26), 11/08/2025 15:23 (2), 04/06/2026 16:58 (11)
Complete: 🔍
Cache ID: 216::103

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

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