Description
An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300. An incorrect default permission can cause unintended querying of RCS capability via a crafted application.
References (1)
Core 1
Core References
Scores
CVSS v3
9.8
EPSS
0.0029
EPSS Percentile
52.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-276
Status
published
Products (2)
samsung/exynos_5123_firmware
samsung/exynos_5300_firmware
Published
Jun 07, 2023
Tracked Since
Feb 18, 2026