What is the CVSS score of CVE-2023-30738?

CVE-2023-30738 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Galaxy Book Firmware CVE-2023-30738

HIGH

2023-10-04 mobile.security@samsung.com

Buffer Overflow Galaxy Book Firmware Galaxy Book Pro Firmware Galaxy Book Pro 360 Firmware Galaxy Book Odyssey Firmware

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 04, 2023 - 04:15 nvd

HIGH 7.8

DescriptionNVD

AnalysisAI

An improper input validation in UEFI Firmware prior to Firmware update Oct-2023 Release in Galaxy Book, Galaxy Book Pro, Galaxy Book Pro 360 and Galaxy Book Odyssey allows local attacker to execute. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

An improper input validation in UEFI Firmware prior to Firmware update Oct-2023 Release in Galaxy Book, Galaxy Book Pro, Galaxy Book Pro 360 and Galaxy Book Odyssey allows local attacker to execute SMM memory corruption. Affected products include: Samsung Galaxy Book Firmware, Samsung Galaxy Book Pro Firmware, Samsung Galaxy Book Pro 360 Firmware, Samsung Galaxy Book Odyssey Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.