CVE-2020-8705

Name: CVE-2020-8705
Creator: NVD / NIST
Published: 2020-11-12T18:15:16.847+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2020-8705 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. Insecure 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, 13.30.10, 14.0.45 and 14.5.25, Intel(R) TXE versions before 3.1.80 and 4.0.30, Intel(R) SPS versions before E5_04.01.04.400, E3_04.01.04.200, SoC-X_04.00.04.200 and SoC-A_04.00.04.300 may allow an unauthenticated user to potentially enable escalation of privileges via physical access.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

Insecure 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, 13.30.10, 14.0.45 and 14.5.25, Intel(R) TXE versions before 3.1.80 and 4.0.30, Intel(R) SPS versions before E5_04.01.04.400, E3_04.01.04.200, SoC-X_04.00.04.200 and SoC-A_04.00.04.300 may allow an unauthenticated user to potentially enable escalation of privileges via physical access.

Metrics

CVSS 3.1

6.8/10

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

EPSS Probability

0.52%

40.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1188

Affected Software

Vendor	Product	Versions
Intel	Converged Security And Manageability Engine	< 11.8.80
Intel	Converged Security And Manageability Engine	>= 11.12.0, < 11.12.80
Intel	Converged Security And Manageability Engine	>= 11.22.0, < 11.22.80
Intel	Converged Security And Manageability Engine	>= 12.0, < 12.0.70
Intel	Converged Security And Manageability Engine	>= 13.0, < 13.0.40
Intel	Converged Security And Manageability Engine	>= 13.30.0, < 13.30.10
Intel	Converged Security And Manageability Engine	>= 14.0, < 14.0.45
Intel	Trusted Execution Technology	3.1.80
Intel	Trusted Execution Technology	4.0.30
Intel	Server Platform Services	sps_e3_04.01.04.200
Intel	Server Platform Services	sps_e5_04.01.04.400
Intel	Server Platform Services	sps_soc-a_04.00.04.300
Intel	Server Platform Services	sps_soc-x_04.00.04.200

References

https://security.netapp.com/advisory/ntap-20201113-0002/Third Party Advisory
https://security.netapp.com/advisory/ntap-20201113-0004/Third Party Advisory
https://security.netapp.com/advisory/ntap-20201113-0005/Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391Vendor Advisory
https://security.netapp.com/advisory/ntap-20201113-0002/Third Party Advisory
https://security.netapp.com/advisory/ntap-20201113-0004/Third Party Advisory
https://security.netapp.com/advisory/ntap-20201113-0005/Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391Vendor Advisory

Timeline

Published: Nov 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8705?

How severe is CVE-2020-8705?

CVE-2020-8705 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8705?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST