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.
Conclusion & alert: CVE-2019-9977 is rated Moderate Risk (58.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.64%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 2.14% | 0.64% | -1.50% |
| 2 | 2025-11-18 | 0.64% | 2.14% | +1.50% |
| 3 | 2025-03-30 | — | 0.64% | — |
Full EPSS history (21 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| tesla | model_3_firmware | — | cpe:2.3:o:tesla:model_3_firmware:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/107551 | Third Party Advisory VDB Entry |
| https://twitter.com/thezdi/status/1109218603251859456 | Third Party Advisory |
| https://www.zdnet.com/article/tesla-car-hacked-at-pwn2own-contest/ | Third Party Advisory |