What is the CVSS score of CVE-2023-40218?

CVE-2023-40218 has a CVSS 3.1 base score of 3.3 (Low). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.2%.

Exynos 9820 Firmware CVE-2023-40218

LOW

Integer Overflow or Wraparound (CWE-190)

2023-09-12 cve@mitre.org

Integer Overflow Samsung Buffer Overflow Exynos 9820 Firmware Exynos 980 Firmware Exynos 2100 Firmware Exynos 2200 Firmware Exynos 1280 Firmware Exynos 1380 Firmware

3.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

3.3 LOW

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Sep 12, 2023 - 15:15 nvd

LOW 3.3

DescriptionNVD

An issue was discovered in the NPU kernel driver in Samsung Exynos Mobile Processor 9820, 980, 2100, 2200, 1280, and 1380. An integer overflow can bypass detection of error cases via a crafted application.

AnalysisAI

An issue was discovered in the NPU kernel driver in Samsung Exynos Mobile Processor 9820, 980, 2100, 2200, 1280, and 1380. Rated low severity (CVSS 3.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Integer Overflow (CWE-190), which allows attackers to cause unexpected behavior through arithmetic overflow. An issue was discovered in the NPU kernel driver in Samsung Exynos Mobile Processor 9820, 980, 2100, 2200, 1280, and 1380. An integer overflow can bypass detection of error cases via a crafted application. Affected products include: Samsung Exynos 9820 Firmware, Samsung Exynos 980 Firmware, Samsung Exynos 2100 Firmware, Samsung Exynos 2200 Firmware, Samsung Exynos 1280 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate arithmetic operations, use safe integer libraries, check bounds before allocation.