ELM327 OBD2 Bluetooth Clone PIN hard-coded credentials

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in ELM327 OBD2 Bluetooth Clone. Affected by this issue is some unknown functionality of the component PIN. The manipulation leads to hard-coded credentials. This vulnerability is referenced as CVE-2019-12797. It is possible to launch the attack on the physical device. No exploit is available. It is suggested to swap out the affected component for an alternative.

Detailsinfo

A vulnerability was found in ELM327 OBD2 Bluetooth Clone (affected version not known). It has been rated as critical. This issue affects some unknown functionality of the component PIN. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. Using CWE to declare the problem leads to CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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, as demonstrated by turning off the vehicle's lights.

The weakness was published 07/31/2019. The identification of this vulnerability is CVE-2019-12797 since 06/13/2019. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1110.001 for this issue.

The problem might be mitigated by replacing the product with as an alternative.

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Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Hard-coded credentials
CWE: CWE-798 / CWE-259 / CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Alternative
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/13/2019 🔍
07/31/2019 +48 days 🔍
08/01/2019 +1 days 🔍
11/14/2023 +1566 days 🔍

Sourcesinfo

Advisory: kth.se
Status: Not defined

CVE: CVE-2019-12797 (🔍)
GCVE (CVE): GCVE-0-2019-12797
GCVE (VulDB): GCVE-100-139085

Entryinfo

Created: 08/01/2019 09:38
Updated: 11/14/2023 15:06
Changes: 08/01/2019 09:38 (35), 07/17/2020 09:22 (17), 11/14/2023 15:06 (4)
Complete: 🔍
Cache ID: 216::103

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