CVE-2023-31115

Name: CVE-2023-31115
Creator: NVD / NIST
Published: 2023-06-07T21:15:13.407+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2023-31115 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

0.49%

38.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Samsung	Exynos 5123 Firmware	All versions
Samsung	Exynos 5300 Firmware	All versions

References

https://semiconductor.samsung.com/support/quality-support/product-security-updates/Vendor Advisory
https://semiconductor.samsung.com/support/quality-support/product-security-updates/Vendor Advisory

Timeline

Published: Jun 7, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-31115?

How severe is CVE-2023-31115?

CVE-2023-31115 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31115?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-31115?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST