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Vulnerability record · CVE-2020-12303 · published 12 November 2020

CVE-2020-12303: Intel converged security and manageability engine use after free vulnerability

Intel · Converged Security And Manageability Engine

Use 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(R) TXE 3.1.80, 4.0.30 may allow an authenticated user to potentially enable escalation of privileges via local access.

7.8 CVSS 3.1 High EPSS 0.37% · top 71.8% CWE-416 · Use after free
7.8CVSS 3.1 base score, v2 4.6
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Use 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(R) TXE 3.1.80, 4.0.30 may allow an authenticated user to potentially enable escalation of privileges via local access.

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

Affected products

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

References

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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-2019-0091Intel converged security and management engine code injection vulnerabilityCode injection vulnerability in installer for Intel(R) CSME before versions 11.8.65, 11.11.65, 11.22.65, 12.0.35 and Intel(R) TXE 3.1.65, 4.0.15 may …EPSS 0.52%7.6CVE-2009-0066Intel trusted execution technology vulnerabilityMultiple unspecified vulnerabilities in Intel system software for Trusted Execution Technology (TXT) allow attackers to bypass intended loader integr…EPSS 2.2%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%6.7CVE-2020-8756Intel converged security and manageability engine improper input validation vulnerabilityImproper 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…EPSS 0.35%

Source: NIST National Vulnerability Database (record CVE-2020-12303), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.