CVE-2021-33159

Name: CVE-2021-33159
Creator: NVD / NIST
Published: 2022-11-11T16:15:11.44+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2021-33159 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Improper authentication in subsystem for Intel(R) AMT before versions 11.8.93, 11.22.93, 11.12.93, 12.0.92, 14.1.67, 15.0.42, 16.1.25 may allow a privileged user to potentially enable escalation of privilege via local access.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

Improper authentication in subsystem for Intel(R) AMT before versions 11.8.93, 11.22.93, 11.12.93, 12.0.92, 14.1.67, 15.0.42, 16.1.25 may allow a privileged user to potentially enable escalation of privilege via local access.

Metrics

CVSS 3.1

6.7/10

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

EPSS Probability

0.18%

7.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Intel	Active Management Technology Firmware	< 11.8.93
Intel	Active Management Technology Firmware	>= 11.12.0, < 11.12.93
Intel	Active Management Technology Firmware	>= 11.22.0, < 11.22.93
Intel	Active Management Technology Firmware	>= 12.0, < 12.0.92
Intel	Active Management Technology Firmware	>= 14.1, < 14.1.67
Intel	Active Management Technology Firmware	>= 15.0, < 15.0.42
Intel	Active Management Technology Firmware	>= 16.1.0, < 16.1.25

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00610.htmlVendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00610.htmlVendor Advisory

Timeline

Published: Nov 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33159?

How severe is CVE-2021-33159?

CVE-2021-33159 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33159?

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-2021-33159?

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

Scan your code now

Source: NVD / NIST