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.
CVE-2023-31116
CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-06-07. NVD baseline CVSS 9.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EG Risk
- 59(Track)EG Risk 59/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity98% × 45%Exploitation1% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 48%
- KEV
- Not listed
Published
June 7, 2023
Last Modified
January 7, 2025
References (2)
- cve@mitrehttps://semiconductor.samsung.com/support/quality-support/product-security-updates/
- af854a3a-2127-422b-91ae-364da2661108https://semiconductor.samsung.com/support/quality-support/product-security-updates/
Related CVEs
Related CVEs are temporarily unavailable — the same-product, same-vendor and same-CWE lists could not be loaded just now. That is not a sign that none exist; please retry shortly.
Frequently asked(5)
What is CVE-2023-31116?
CVE-2023-31116 is a critical vulnerability published on June 7, 2023. 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.
When was CVE-2023-31116 disclosed?
CVE-2023-31116 was first published in the National Vulnerability Database on June 7, 2023, with the most recent update on January 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-31116 actively exploited?
CVE-2023-31116 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 51.6% of all scored CVEs.
What is the CVSS score of CVE-2023-31116?
CVE-2023-31116 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-31116?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-31116, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2023-31116
Is Your Infrastructure Affected by CVE-2023-31116?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.