CVE-2021-33159
Improper authentication in subsystem for Intel(R) AMT before versions 11.8.93, 11.22.93, 11.12.93...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2021-33159- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2021-19874
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.
- Record
EUVD-2021-19874- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v593-864p-wp43
Improper authentication in subsystem for Intel(R) AMT before versions 11.8.93, 11.22.93, 11.12.93...
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.
- Record
GHSA-v593-864p-wp43- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-33159- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:N/I:H/A:H - CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33159 is a high vulnerability (CVSS 7.4) in Intel Active Management Technology Firmware, published November 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.