What is the CVSS score of CVE-2023-28895?

CVE-2023-28895 has a CVSS 3.1 base score of 6.8 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Mib3 Firmware CVE-2023-28895

MEDIUM

Use of Hard-coded Password (CWE-259)

2023-12-01 cve@asrg.io

Authentication Bypass Mib3 Firmware

6.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.8 MEDIUM

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

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 01, 2023 - 14:15 nvd

MEDIUM 6.8

DescriptionNVD

The password for access to the debugging console of the PoWer Controller chip (PWC) of the MIB3 infotainment is hard-coded in the firmware. The console allows attackers with physical access to the MIB3 unit to gain full control over the PWC chip.

Vulnerability found on Škoda Superb III (3V3) - 2.0 TDI manufactured in 2022.

AnalysisAI

The password for access to the debugging console of the PoWer Controller chip (PWC) of the MIB3 infotainment is hard-coded in the firmware. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-259. The password for access to the debugging console of the PoWer Controller chip (PWC) of the MIB3 infotainment is hard-coded in the firmware. The console allows attackers with physical access to the MIB3 unit to gain full control over the PWC chip. Vulnerability found on Škoda Superb III (3V3) - 2.0 TDI manufactured in 2022. Affected products include: Preh Mib3 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.