What is the CVSS score of CVE-2023-27385?

CVE-2023-27385 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Cx Drive CVE-2023-27385

HIGH

Out-of-bounds Write (CWE-787)

2023-05-10 vultures@jpcert.or.jp

Memory Corruption Buffer Overflow RCE Cx Drive

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 10, 2023 - 06:15 nvd

HIGH 7.8

DescriptionNVD

Heap-based buffer overflow vulnerability exists in CX-Drive All models all versions. By having a user open a specially crafted SDD file, arbitrary code may be executed and/or information may be disclosed.

AnalysisAI

Heap-based buffer overflow vulnerability exists in CX-Drive All models all versions. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Heap-based buffer overflow vulnerability exists in CX-Drive All models all versions. By having a user open a specially crafted SDD file, arbitrary code may be executed and/or information may be disclosed. Affected products include: Omron Cx-Drive.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).