CVE-2018-3643 — 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

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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 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

Published Sep 12, 2018

8.2

HIGH

CVSS 3.0

EPSS 0.48%

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.

Affected products

Vendor Intel Corporation Product n/a Default
n/a
- Version
  CSME versions before 12.0.6 or Server Platform Services firmware before version 4.x.04.
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Intel Corporation

n/a

Version	Status	Constraints
CSME versions before 12.0.6 or Server Platform Services firmware before version 4.x.04.	affected	-

Remediation

No remediation recorded yet.

Metrics

0.48% 0.00481

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.00481

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	0.48% (0.00481)	39.24th	v5 (v2026.06.15)
Jun 15, 2026	0.50% (0.00501)	38.65th	v5 (v2026.06.15)
Mar 17, 2025	0.24% (0.00240)	45.38th	v4 (v2025.03.14)
Dec 12, 2024	0.08% (0.00077)	35.06th	v3 (v2023.03.01)
Sep 6, 2023	0.08% (0.00077)	31.76th	v3 (v2023.03.01)
Mar 7, 2023	0.07% (0.00065)	26.44th	v3 (v2023.03.01)
Mar 6, 2023	1.36% (0.01365)	71.56th	v2 (v2022.01.01)
Feb 4, 2022	1.36% (0.01365)	45.07th	v2 (v2022.01.01)
Feb 3, 2022	1.46% (0.01458)	32.87th	v5 (v2026.06.15)
Apr 14, 2021	1.46% (0.01458)	0.00th	v1

Weaknesses (0)

No CWE recorded.

References (3)

https://security.netapp.com/advisory/ntap-20180924-0002/
x_refsource_CONFIRMThird Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03873en_us
x_refsource_CONFIRMPatchThird Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00131.html
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
https://security.netapp.com/advisory/ntap-20180924-0002/		x_refsource_CONFIRMThird Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03873en_us		x_refsource_CONFIRMPatchThird Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00131.html		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner intel

Published Sep 12, 2018

Updated Sep 16, 2024

Reserved Dec 28, 2017

Link CVE-2018-3643

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-3643

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-3643