What is CVE-2023-31114?

CVE-2023-31114 is a critical-severity vulnerability in Samsung Exynos 5123, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 9.1/10. Published 2023-06-07.

How severe is CVE-2023-31114?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Samsung Exynos 5123

CVE-2023-31114

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.

Published 2023-06-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (44.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-669 — Incorrect Resource Transfer Between Spheres

References

semiconductor.samsung.com/support/quality-support/product-security-updates/ (Vendor Advisory)

Frequently asked questions

What is CVE-2023-31114?: CVE-2023-31114 is a critical-severity vulnerability in Samsung Exynos 5123, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 9.1/10. Published 2023-06-07.
How severe is CVE-2023-31114?: Critical severity. CVSS v3 base score is 9.1 out of 10.