What is the CVSS score of CVE-2023-39373?

CVE-2023-39373 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.3%.

Hyundai 2017 Firmware CVE-2023-39373

MEDIUM

Authentication Bypass by Capture-replay (CWE-294)

2023-09-03 cna@cyber.gov.il

Authentication Bypass Hyundai 2017 Firmware

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Sep 03, 2023 - 15:15 nvd

MEDIUM 6.5

DescriptionNVD

A Hyundai model (2017) - CWE-294: Authentication Bypass by Capture-replay.

AnalysisAI

A Hyundai model (2017) - CWE-294: Authentication Bypass by Capture-replay. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-294. A Hyundai model (2017) - CWE-294: Authentication Bypass by Capture-replay. Affected products include: Hyundai Hyundai 2017 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.