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Vulnerability record · CVE-2020-8756 · published 12 November 2020

CVE-2020-8756: Intel converged security and manageability engine improper input validation vulnerability

Intel · Converged Security And Manageability Engine

Improper input validation in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70 and 14.0.45 may allow a privileged user to potentially enable escalation of privilege via local access.

6.7 CVSS 3.1 Medium EPSS 0.35% · top 73.7% CWE-20 · Improper input validation
6.7CVSS 3.1 base score, v2 4.6
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Improper input validation in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70 and 14.0.45 may allow a privileged user to potentially enable escalation of privilege via local access.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://security.netapp.com/advisory/ntap-20201113-0002/ Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391 Vendor Advisory
https://security.netapp.com/advisory/ntap-20201113-0002/ Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2020-12297Intel converged security and manageability engine vulnerabilityImproper access control in Installer for Intel(R) CSME Driver for Windows versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14…EPSS 0.45%7.8CVE-2020-12303Intel converged security and manageability engine use after free vulnerabilityUse after free in DAL subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14.0.45 and 14.5.25, Intel…EPSS 0.37%6.8CVE-2020-24516Intel converged security and manageability engine vulnerabilityModification of assumed-immutable data in subsystem in Intel(R) CSME versions before 13.0.47, 13.30.17, 14.1.53, 14.5.32, 15.0.22 may allow an unauth…EPSS 0.27%6.8CVE-2020-8745Intel converged security and manageability engine vulnerabilityInsufficient control flow management in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14.0.45 …EPSS 0.38%6.8CVE-2020-8705Intel converged security and manageability engine insecure default initialization vulnerabilityInsecure default initialization of resource in Intel(R) Boot Guard in Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13…EPSS 0.50%6.7CVE-2020-8703Intel converged security and manageability engine memory buffer overflow vulnerabilityImproper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14…EPSS 0.33%6.5CVE-2022-26047Intel killer wifi software improper input validation vulnerabilityImproper input validation for some Intel(R) PROSet/Wireless WiFi, Intel vPro(R) CSME WiFi and Killer(TM) WiFi products may allow unauthenticated user…EPSS 0.42%4.6CVE-2020-8761Intel converged security and manageability engine inadequate encryption strength vulnerabilityInadequate encryption strength in subsystem for Intel(R) CSME versions before 13.0.40 and 13.30.10 may allow an unauthenticated user to potentially e…EPSS 0.16%

Source: NIST National Vulnerability Database (record CVE-2020-8756), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.