Samsung Auto T5123 NAS Module improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Samsung Mobile Processor, Automotive Processor, Modem Exynos 9820, Modem Exynos 9825, Modem Exynos 980, Modem Exynos 990, Modem Exynos 850, Modem Exynos 1080, Modem Exynos 2100, Modem Exynos 2200, Modem Exynos 1280, Modem Exynos 1380, Modem Exynos 1330, Modem 5123, Modem 5300 and Auto T5123. Affected by this issue is some unknown functionality of the component NAS Module. Performing a manipulation results in improper authentication. This vulnerability was named CVE-2023-50804. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Samsung Mobile Processor, Automotive Processor, Modem Exynos 9820, Modem Exynos 9825, Modem Exynos 980, Modem Exynos 990, Modem Exynos 850, Modem Exynos 1080, Modem Exynos 2100, Modem Exynos 2200, Modem Exynos 1280, Modem Exynos 1380, Modem Exynos 1330, Modem 5123, Modem 5300 and Auto T5123. This affects some unknown functionality of the component NAS Module. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality. The summary by CVE is:

An issue was discovered in Samsung Mobile Processor, Automotive Processor, and Modem Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 2200, 1280, 1380, 1330, Modem 5123, Modem 5300, and Auto T5123. The baseband software does not properly check format types specified by the NAS (Non-Access-Stratum) module. This can lead to bypass of authentication.

The advisory is shared at semiconductor.samsung.com. This vulnerability is uniquely identified as CVE-2023-50804 since 12/14/2023. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly 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-2023-55537). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 3.7
CNA Vector (MITRE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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

12/14/2023 🔍
06/05/2024 +173 days 🔍
06/05/2024 +0 days 🔍
03/05/2026 +638 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: semiconductor.samsung.com
Status: Confirmed

CVE: CVE-2023-50804 (🔍)
GCVE (CVE): GCVE-0-2023-50804
GCVE (VulDB): GCVE-100-267213
EUVD: 🔍

Entryinfo

Created: 06/05/2024 21:44
Updated: 03/05/2026 13:17
Changes: 06/05/2024 21:44 (61), 06/06/2024 16:46 (1), 03/18/2025 21:56 (12), 03/05/2026 13:17 (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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