7.4

CVE-2021-33159: intel active_management_technology_firmware Improper Authentication

CVSS: 7.4v3.1HighModified
Published 11-11-2022Last modified 05-02-2025
Open JSON

Vulnerability summary

CVE-2021-33159 is a high (CVSS 7.4) Improper Authentication vulnerability in intel active_management_technology_firmware. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.4/10
010
High · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-11-2022
    PublishedVulnerability first disclosed.
  2. 05-02-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

0.00 pp

From 0.18% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Intel1 product
  • active_management_technology_firmware< 11.8.93 | ≥ 11.12.0, < 11.12.93 | ≥ 11.22.0, < 11.22.93 | ≥ 12.0, < 12.0.92 | ≥ 14.1, < 14.1.67 | ≥ 15.0, < 15.0.42 | ≥ 16.1.0, < 16.1.25

1 vendor · 1 product

References

1 links