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[email protected]CVE-2019-12797

HistoryJul 31, 2019 - 7:15 p.m.

CVE-2019-12797

2019-07-3119:15:15

CWE-798

[email protected]

web.nvd.nist.gov

cve-2019-12797

elm327

obd2

bluetooth

hardcoded pin

arbitrary commands

nvd

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

64.8%

JSON

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.

Affected configurations

NVD

Node

elmelectronicselm27_firmwareMatch-

AND

elmelectronicselm27Match-

CPENameOperatorVersion
elmelectronics:elm27_firmwareelmelectronics elm27 firmwareeq-

CPE	Name	Operator	Version
elmelectronics:elm27_firmware	elmelectronics elm27 firmware	eq	-

References

www.kth.se/polopoly_fs/1.914060.1561621279%21/Ludvig%20and%20Daniel_final_dongles.pdf

www.kth.se/polopoly_fs/1.917488.1564430206%21/elm327.pdf

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

64.8%

JSON

Related for CVE-2019-12797

nvd1 prion1 cvelist1