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CVE-2018-3643

8.2 · HIGH

A vulnerability in Power Management Controller firmware in systems using specific Intel(R) Converged Security and Management Engine (CSME) before version 11.8.55, 11.11.55, 11.21.55, 12.0.6 or Inte…

Published Sep 12, 2018EPSS 0.48%

Overview

CVE-2018-3643 is a high-severity vulnerability. It was published on September 12, 2018 and has a CVSS 3.0 base score of 8.2 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.2, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A vulnerability in Power Management Controller firmware in systems using specific Intel(R) Converged Security and Management Engine (CSME) before version 11.8.55, 11.11.55, 11.21.55, 12.0.6 or Intel(R) Server Platform Services firmware before version 4.x.04 may allow an attacker with administrative privileges to uncover certain platform secrets via local access or to potentially execute arbitrary code.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Frequently asked questions

What is CVE-2018-3643?

CVE-2018-3643 is a high-severity vulnerability. It was published on September 12, 2018 and has a CVSS 3.0 base score of 8.2 (HIGH).

How severe is CVE-2018-3643?

This vulnerability has a CVSS 3.0 base score of 8.2, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-3643?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-3643?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-3643 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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