What is the CVSS score of CVE-2018-6686?

CVE-2018-6686 has a CVSS 3.1 base score of 6.6 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Drive Encryption CVE-2018-6686

MEDIUM

Improper Authentication (CWE-287)

2018-07-27 trellixpsirt@trellix.com

Authentication Bypass Drive Encryption

6.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.6 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 27, 2018 - 13:29 nvd

MEDIUM 6.6

DescriptionNVD

AnalysisAI

Authentication Bypass vulnerability in TPM autoboot in McAfee Drive Encryption (MDE) 7.1.0 and above allows physically proximate attackers to bypass local security protection via specific set of. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. Authentication Bypass vulnerability in TPM autoboot in McAfee Drive Encryption (MDE) 7.1.0 and above allows physically proximate attackers to bypass local security protection via specific set of circumstances. Affected products include: Mcafee Drive Encryption.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.