Description
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.
Scores
CVSS v3
9.1
EPSS
0.0033
EPSS Percentile
55.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-669
Status
published
Products (2)
samsung/exynos_5123_firmware
samsung/exynos_5300_firmware
Published
Jun 07, 2023
Tracked Since
Feb 18, 2026