VulnerabilityModified
CVE-2019-12797
A clone version of an ELM327 OBD2 Bluetooth device has a hardcoded PIN, leading to arbitrary commands to an OBD-II bus of a vehicle.
CRITICAL 9.8EPSS 1.21%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A clone version of an ELM327 OBD2 Bluetooth device has a hardcoded PIN, leading to arbitrary commands to an OBD-II bus of a vehicle.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.21% probability · 67th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-798
- Affected
- elmelectronics/elm27 firmware
- Source
- cve@mitre.org
References
- https://www.kth.se/polopoly_fs/1.914060.1561621279%21/Ludvig%20and%20Daniel_final_dongles.pdf
- https://www.kth.se/polopoly_fs/1.917488.1564430206%21/elm327.pdf
- https://www.kth.se/polopoly_fs/1.914060.1561621279%21/Ludvig%20and%20Daniel_final_dongles.pdf
- https://www.kth.se/polopoly_fs/1.917488.1564430206%21/elm327.pdf
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.