What is the CVSS score of CVE-2023-28885?

CVE-2023-28885 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: 0.4%.

Mylink Infotainment System CVE-2023-28885

MEDIUM

Out-of-bounds Write (CWE-787)

2023-03-27 cve@mitre.org

Memory Corruption Buffer Overflow Denial Of Service Mylink Infotainment System

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

Mar 27, 2023 - 04:15 nvd

MEDIUM 6.8

DescriptionNVD

AnalysisAI

The MyLink infotainment system (build 2021.3.26) in General Motors Chevrolet Equinox 2021 vehicles allows attackers to cause a denial of service (temporary failure of Media Player functionality) via. 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 as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. The MyLink infotainment system (build 2021.3.26) in General Motors Chevrolet Equinox 2021 vehicles allows attackers to cause a denial of service (temporary failure of Media Player functionality) via a crafted MP3 file. Affected products include: Gm Mylink Infotainment System.

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).