CVE-2018-1170

Name: CVE-2018-1170
Creator: NVD / NIST
Published: 2018-03-02T01:29:00.317+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.82%

Last modified Jun 17, 2026

CVE-2018-1170 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. This vulnerability allows adjacent attackers to inject arbitrary Controller Area Network messages on vulnerable installations of Volkswagen Customer-Link App 1.30 and HTC Customer-Link Bridge. Authentication is not required to exploit this vulnerability. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

Description

This vulnerability allows adjacent attackers to inject arbitrary Controller Area Network messages on vulnerable installations of Volkswagen Customer-Link App 1.30 and HTC Customer-Link Bridge. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Customer-Link App and Customer-Link Bridge. The issue results from the lack of a proper protection mechanism against unauthorized firmware updates. An attacker can leverage this vulnerability to inject CAN messages. Was ZDI-CAN-5264.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.82%

52.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-693

Affected Software

Vendor	Product	Versions
Htc	Customer-Link Bridge	All versions
Volkswagen	Customer-Link	1.30

References

https://zerodayinitiative.com/advisories/ZDI-18-214Third Party Advisory, VDB Entry
https://zerodayinitiative.com/advisories/ZDI-18-214Third Party Advisory, VDB Entry

Timeline

Published: Mar 2, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1170?

How severe is CVE-2018-1170?

CVE-2018-1170 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1170?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1170?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST