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Power Management Controller (PMC) Security Advisory

Intel ID: INTEL-SA-00131
Advisory Category: Firmware
Impact of vulnerability: Escalation of Privilege, Information Disclosure
Severity rating: HIGH
Original release: 09/11/2018
Last revised: 12/18/2018


A potential security vulnerability in power management controller firmware may allow escalation of privilege and/ or information disclosure. Intel is releasing firmware updates to mitigate this potential vulnerability.

Vulnerability Details

CVEID: CVE-2018-3643

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.

CVSS Base Score: 8.2 High


Affected Products:

Systems using the following firmware versions and associated products are impacted.

Products containing Intel® Server Platform Services firmware version 4.x:

Impacted Product

Mitigated FW version

Intel® Atom® Processor C3000 Series Platform

Intel® Xeon® D-2100 Processor Family Platform

Intel® Xeon® Scalable Processor Family Platforms

Intel® C620 Series Chipset Family (PCIe End Point Mode)

Intel® QuickAssist Adapter 8960/8970 Products



Products containing Intel® CSME firmware version 11.x or later:

Impacted Product

Mitigated FW(CSME) version

6th Generation Intel® Core™ Processor Family Platforms


7th Generation Intel® Core™ Processor Family Platforms


8th Generation Intel® Core™ Processor Family Platforms


Intel® Xeon® E3-1200/1500 v5 Processor Family Platforms


Intel® Xeon® E3-1200/1500 v6 Processor Family Platforms


Intel® Xeon® W Processor Family Platform


Intel® Core™ X-Series Processor Family Platform


Intel® Xeon® Scalable Processors



Intel recommends that end users should check with their system manufacturers and apply any available updates as soon as practical, based on the versions listed above, or higher.


This issue was found internally by Intel.

Revision History

Revision Date Description
1.0 09/11/2018 Initial Release
1.1 12/18/2018 Vulnerability description updated

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