Samsung Exynos Modem 5123/Exynos Modem 5300 Shannon RCS resource transfer

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Samsung Exynos Modem 5123 and Exynos Modem 5300. Affected by this vulnerability is an unknown functionality of the component Shannon RCS. This manipulation causes an unknown weakness. This vulnerability is registered as CVE-2023-31114. No exploit is available.

Detailsinfo

A vulnerability was found in Samsung Exynos Modem 5123 and Exynos Modem 5300 (version now known). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Shannon RCS. The CWE definition for the vulnerability is CWE-669. The product does not properly transfer a resource/behavior to another sphere, or improperly imports a resource/behavior from another sphere, in a manner that provides unintended control over that resource. The impact remains unknown. The summary by CVE is:

An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300. Incorrect resource transfer between spheres can cause unintended querying of the SIM status via a crafted application.

The weakness was published 06/08/2023. It is possible to read the advisory at semiconductor.samsung.com. This vulnerability is known as CVE-2023-31114 since 04/24/2023. The technical details are unknown and an exploit is not 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-2023-35440). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 9.1
NVD Vector: 🔍

CNA Base Score: 9.1
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource transfer
CWE: CWE-669
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

04/24/2023 🔍
06/08/2023 +45 days 🔍
06/08/2023 +0 days 🔍
12/24/2025 +930 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: semiconductor.samsung.com
Status: Confirmed

CVE: CVE-2023-31114 (🔍)
GCVE (CVE): GCVE-0-2023-31114
GCVE (VulDB): GCVE-100-231055
EUVD: 🔍

Entryinfo

Created: 06/08/2023 08:51
Updated: 12/24/2025 07:54
Changes: 06/08/2023 08:51 (35), 07/07/2023 08:08 (12), 01/07/2025 19:53 (25), 12/24/2025 07:54 (1)
Complete: 🔍
Cache ID: 216::103

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

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