Is CVE-2023-31115 in the CISA KEV catalog?

No. CVE-2023-31115 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-31115?

CVE-2023-31115 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-31115?

CVE-2023-31115 has an EPSS score of 0.49% (39th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2023-31115?

No published fix for CVE-2023-31115 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2023-31115

HIGH

7.5

CVSS v3

NVD

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.

CWE-669

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.49%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Vendor Advisory1

semiconductor.samsung.com

Related Vulnerabilities

Other CWE-669 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2026-31431	Medium	5.5	96%	KEV	Fix
CVE-2002-0055	Medium	5.0	35%	-	-
CVE-2020-1048	High	7.8	17%	-	-
CVE-2021-22900	High	7.2	14%	KEV	-
CVE-2026-25253	High	8.8	8.0%	-	Fix
CVE-2020-6862	Medium	5.3	6.3%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-01-07.