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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6.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Samsung Exynos Modem 5123 and Exynos Modem 5300. Affected by this issue is some unknown functionality of the component Shannon RCS. Such manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2023-31115. There is not any exploit available.

Detailsinfo

A vulnerability was found in Samsung Exynos Modem 5123 and Exynos Modem 5300 (version unknown). It has been rated as critical. Affected by this issue is an unknown function of the component Shannon RCS. Using CWE to declare the problem leads to 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. CVE summarizes:

An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300. Incorrect resource transfer between spheres can cause changes to the activation mode of RCS via a crafted application.

The weakness was released 06/08/2023. The advisory is shared for download at semiconductor.samsung.com. This vulnerability is handled as CVE-2023-31115 since 04/24/2023. There are neither technical details nor an exploit 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-2023-35441). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
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-2023-31115 (🔍)
GCVE (CVE): GCVE-0-2023-31115
GCVE (VulDB): GCVE-100-231056
EUVD: 🔍

Entryinfo

Created: 06/08/2023 08:52
Updated: 12/24/2025 07:54
Changes: 06/08/2023 08:52 (35), 07/07/2023 08:13 (12), 01/07/2025 19:53 (25), 12/24/2025 07:54 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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