What is the CVSS score of CVE-2023-31116?

CVE-2023-31116 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Exynos 5123 Firmware CVE-2023-31116

CRITICAL

Incorrect Default Permissions (CWE-276)

2023-06-07 cve@mitre.org

Privilege Escalation Samsung Exynos 5123 Firmware Exynos 5300 Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jun 07, 2023 - 21:15 nvd

CRITICAL 9.8

DescriptionNVD

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.

AnalysisAI

An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Default Permissions (CWE-276), which allows attackers to access resources due to overly permissive default settings. 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. Affected products include: Samsung Exynos 5123 Firmware, Samsung Exynos 5300 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set restrictive default permissions, follow principle of least privilege, review defaults during deployment.