CVE-2023-39076

MEDIUM

4.6

CVSS Score

Published: September 8, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 06:11 AM UTC

2 products affected across 1 vendorMylink Infotainment SystemChevrolet Equinox

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Severity

MEDIUM4.6

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

Injecting random data into the USB memory area on a General Motors (GM) Chevrolet Equinox 2021 Software. 2021.03.26 (build version) vehicle causes a Denial of Service (DoS) in the in-car infotainment system.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Mylink Infotainment System · Gm

95%

2021.3.26

gm-chevrolet-equinox (environment)

Chevrolet Equinox · Gmdevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: [email protected]

https://blog.dhjeong.kr/posts/vuln/202307/gm-chevrolet/

Broken Link

Source: [email protected]

https://blog.jhyeon.dev/posts/vuln/202307/gm-chevrolet/

Source: [email protected]

https://nvd.nist.gov/vuln/detail/CVE-2023-39076

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.6MEDIUM[email protected]

Attack Vector: PHYSICAL
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-noinfo

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