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CVE-2023-39076

16
FAUCET Score

CVE-2023-39076 describes a Denial of Service (DoS) vulnerability affecting the in-car infotainment system of the 2021 General Motors Chevrolet Equinox (Software 2021.03.26). An attacker can trigger this DoS by injecting random data into the USB memory area. The vulnerability has a CVSS score of 4.6 (Medium), indicating a physical attack vector with low complexity and high impact on availability, but no impact on confidentiality or integrity. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2021.3.26CPE matchmatch criteria
cpe:2.3:a:gm:mylink_infotainment_system:2021.3.26:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.6MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
22.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 48th percentile among its peer group of 1,532 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blog.dhjeong.kr / posts/vuln/202307/gm-chevrolet
blog.jhyeon.dev / posts/vuln/202307/gm-chevrolet
Broken Link
nvd.nist.gov / vuln/detail/CVE-2023-39076