VulnerabilityModified

CVE-2023-31114

An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300.

CRITICAL 9.1EPSS 0.56%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS: 0.56% probability · 45th percentile
CISA KEV: Not listed
Weakness: CWE-669
Affected: samsung/exynos 5123 firmware · samsung/exynos 5300 firmware
Source: cve@mitre.org

References

https://semiconductor.samsung.com/support/quality-support/product-security-updates/Vendor Advisory
https://semiconductor.samsung.com/support/quality-support/product-security-updates/Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.