Samsung Exynos Auto T5123 RRC missing encryption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Samsung Samsung Mobile Processor, Automotive Processor, Wearable Processor, 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 Exynos 9110, Modem Exynos W920, Exynos Modem 5123, Exynos Modem 5300 and Exynos Auto T5123. This vulnerability affects unknown code of the component RRC. The manipulation leads to missing encryption. This vulnerability is referenced as CVE-2023-49927. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Samsung Samsung Mobile Processor, Automotive Processor, Wearable Processor, 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 Exynos 9110, Modem Exynos W920, Exynos Modem 5123, Exynos Modem 5300 and Exynos Auto T5123 and classified as problematic. This issue affects an unknown code of the component RRC. The manipulation with an unknown input leads to a missing encryption vulnerability. Using CWE to declare the problem leads to CWE-311. The product does not encrypt sensitive or critical information before storage or transmission. Impacted is confidentiality. The summary by CVE is:

An issue was discovered in Samsung Mobile Processor, Automotive Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 2200, 1280, 1380, 1330, 9110, W920, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. The baseband software does not properly check format types specified by the RRC. This can lead to a lack of encryption.

It is possible to read the advisory at semiconductor.samsung.com. The identification of this vulnerability is CVE-2023-49927 since 12/03/2023. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

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-2023-53822). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (MITRE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Missing encryption
CWE: CWE-311 / CWE-310
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

12/03/2023 🔍
06/05/2024 +184 days 🔍
06/05/2024 +0 days 🔍
03/05/2026 +638 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: semiconductor.samsung.com
Status: Confirmed

CVE: CVE-2023-49927 (🔍)
GCVE (CVE): GCVE-0-2023-49927
GCVE (VulDB): GCVE-100-267215
EUVD: 🔍

Entryinfo

Created: 06/05/2024 21:46
Updated: 03/05/2026 12:01
Changes: 06/05/2024 21:46 (61), 06/06/2024 16:46 (1), 06/18/2024 19:06 (9), 03/05/2026 12:01 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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