High severity · published Jun 7, 2023
CVE-2023-31115
An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300
7.5
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
E5
Exynos 5123 Firmware · Samsung
All versions, or not specified · source: NVD
E5
Exynos 5300 Firmware · Samsung
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-31115
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-31115
Vendor Advisory
https://semiconductor.samsung.com/support/quality-support/product-security-updates/
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