What is the CVSS score of CVE-2018-16806?

CVE-2018-16806 has a CVSS 3.0 base score of 6.5 (Medium). CVSS vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.5%.

Is there a public PoC exploit available for CVE-2018-16806?

Yes, a public proof-of-concept exploit is available for CVE-2018-16806. Prioritise patching immediately. EPSS: 0.5%.

Passive Keyless Entry And Start System Firmware CVE-2018-16806

MEDIUM

Use of a Broken or Risky Cryptographic Algorithm (CWE-327)

2018-09-10 cve@mitre.org

Information Disclosure Passive Keyless Entry And Start System Firmware

6.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Sep 10, 2018 - 23:29 nvd

MEDIUM 6.5

DescriptionNVD

A Pektron Passive Keyless Entry and Start (PKES) system, as used on the Tesla Model S and possibly other vehicles, relies on the DST40 cipher, which makes it easier for attackers to obtain access via an approach involving a 5.4 TB precomputation, followed by wake-frame reception and two challenge/response operations, to clone a key fob within a few seconds.

AnalysisAI

A Pektron Passive Keyless Entry and Start (PKES) system, as used on the Tesla Model S and possibly other vehicles, relies on the DST40 cipher, which makes it easier for attackers to obtain access via. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-327. A Pektron Passive Keyless Entry and Start (PKES) system, as used on the Tesla Model S and possibly other vehicles, relies on the DST40 cipher, which makes it easier for attackers to obtain access via an approach involving a 5.4 TB precomputation, followed by wake-frame reception and two challenge/response operations, to clone a key fob within a few seconds. Affected products include: Pektron Passive Keyless Entry And Start System Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.