CVE-2019-9977

Model 3 Firmware vulnerability

CVSS

8.8

EPSS

3.0%

EPSS pct

86th

Exploited

No known

The renderer process in the entertainment system on Tesla Model 3 vehicles mishandles JIT compilation, which allows attackers to trigger firmware code execution, and display a crafted message to vehicle occupants.

Affected vendor

Tesla

Affected product

Model 3 Firmware

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Published

2019-03-24

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2019-9977

Confirm whether Tesla Model 3 Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2019-9977.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-9977

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-9977 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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