7.5

CVE-2023-31115: samsung exynos_5123_firmware

CVSS: 7.5v3.1HighModified
Published 07-06-2023Last modified 07-01-2025
Open JSON

Vulnerability summary

CVE-2023-31115 is a high (CVSS 7.5) vulnerability in samsung exynos_5123_firmware. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 40.4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.49%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 07-06-2023
    PublishedVulnerability first disclosed.
  2. 07-01-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.49%

Chance of exploitation in the next 30 days

Percentile

40%

Versus all other CVEs

30-day change

0.00 pp

From 0.49% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.49%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Samsung2 products

1 vendor · 2 products

References

1 links