CVE-2015-2906

Mobile Devices (aka MDI) C4 OBD-II dongles with firmware 2.x and 3.4.x, as used in Metromile Pulse and other products, store SSH private keys that are the same across different customers' installations, which makes it easier for remote attackers to obtain access by leveraging knowledge of a private key from another installation.

Published: 2015-08-23 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-2906 is rated Moderate Risk (56.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.40%). 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.

Exploit prediction scoring system (EPSS) score for CVE-2015-2906

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 2026-02-23 0.65% 0.40% -0.25%
2 2025-12-16 0.40% 0.65% +0.25%
3 2025-11-29 0.40%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-2906

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.0 2.0 HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.0 10.0 [email protected]

Weakness enumeration for CVE-2015-2906

OS Trackers for CVE-2015-2906

vendor priority summary link
suse high CVE-2015-2906 severity important: SUSE including 3 source package names (libxerces-c-3_1, libxerces-c-3_1-32bit, xerces-c), 45 product×package rows across 17 product lines (HPE Helion OpenStack 8, SUSE Linux Enterprise High Performance Computing 12 SP5, … (17 product lines)): Known Not Affected 45. https://www.suse.com/security/cve/CVE-2015-2906/

NVD evaluator notes for CVE-2015-2906

Comment: <a href="https://cwe.mitre.org/data/definitions/321.html" target="_blank">CWE-321: Use of Hard-coded Cryptographic Key</a>

Affected software / configurations for CVE-2015-2906

Vendor Product Version Raw CPE
mobile_devices c4_obd-ii_dongle_firmware <= 3.4 cpe:2.3:o:mobile_devices:c4_obd-ii_dongle_firmware:*:*:*:*:*:*:*:*

References for CVE-2015-2906

cvelogic Threat Intelligence