CVE-2020-8745

Name: CVE-2020-8745
Creator: NVD / NIST
Published: 2020-11-12T18:15:17.3+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2020-8745 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. Insufficient 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 and 14.5.25 , Intel(R) TXE versions before 3.1.80 and 4.0.30 may allow an unauthenticated user to potentially enable escalation of privilege via physical access.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

Insufficient 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 and 14.5.25 , Intel(R) TXE versions before 3.1.80 and 4.0.30 may allow an unauthenticated user to potentially enable escalation of privilege 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

0.38%

29.6th percentile

Probability of exploitation in the next 30 days. Learn more

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	>= 14.0, < 14.0.45
Intel	Converged Security And Manageability Engine	>= 14.5.0, < 14.5.25
Intel	Trusted Execution Technology	< 3.1.80
Intel	Trusted Execution Technology	>= 4.0, < 4.0.30
Siemens	Simatic Drive Controller Firmware	< 05.00.01.00
Siemens	Simatic Et200sp 1515sp Pc2 Firmware	< 0209.0105
Siemens	Simatic Field Pg M5 Firmware	< 22.01.08
Siemens	Simatic Field Pg M6 Firmware	All versions
Siemens	Simatic Ipc127e Firmware	< 27.01.05
Siemens	Simatic Ipc427e Firmware	< 27.01.05
Siemens	Simatic Ipc477e Firmware	< 21.01.15
Siemens	Simatic Ipc527g Firmware	< 1.4.0
Siemens	Simatic Ipc547g Firmware	< r1.30.0
Siemens	Simatic Ipc627e Firmware	< 25.02.08
Siemens	Simatic Ipc647e Firmware	< 25.02.08
Siemens	Simatic Ipc667e Firmware	< 25.02.08
Siemens	Simatic Ipc847e Firmware	< 25.02.08
Siemens	Simatic Itp1000 Firmware	< 23.01.08
Siemens	Sinumerik 828d Hw Pu.4 Firmware	< 08.00.00.00
Siemens	Sinumerik Mc Mcu 1720 Firmware	< 05.00.00.00
Siemens	Sinumerik One Firmware	All versions
Siemens	Sinumerik 840d Sl Ht 10 Firmware	All versions
Siemens	Sinumerik One Ncu 1740 Firmware	< 04.00.00.00
Siemens	Sinumerik One Ppu 1740 Firmware	< 06.00.00.00

References

https://cert-portal.siemens.com/productcert/pdf/ssa-678983.pdfPatch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20201113-0002/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://cert-portal.siemens.com/productcert/pdf/ssa-678983.pdfPatch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20201113-0002/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: Analyzed

Frequently Asked Questions

What is CVE-2020-8745?

How severe is CVE-2020-8745?

CVE-2020-8745 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8745?

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.

Are you affected by CVE-2020-8745?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST