Improper authentication in Intel AMT
Priority LOW 32CWE-287Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00192 8th percentileScored 2026-11-08
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | 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 | — | No fix listed | CNA |
- Intel(R) AMT Vendor— Affected before versions 11.8.93, 11.22.93, 11.12.93, 12.0.92, 14.1.67, 15.0.42, 16.1.25 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:intel:active_management_technology_firmware:*:*:*:*:*:*:*:* | before 11.8.93; 11.12.0 to before 11.12.93; 11.22.0 to before 11.22.93; 12.0 to before 12.0.92; 14.1 to before 14.1.67; 15.0 to before 15.0.42; 16.1.0 to before 16.1.25 | Vulnerable | Intel |
- cpe:2.3:o:intel:active_management_technology_firmware:*:*:*:*:*:*:*:* Versions before 11.8.93; 11.12.0 to before 11.12.93; 11.22.0 to before 11.22.93; 12.0 to before 12.0.92; 14.1 to before 14.1.67; 15.0 to before 15.0.42; 16.1.0 to before 16.1.25 Vulnerable ·Intel
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-33159
- 2026-10-03 Alias added: GHSA-v593-864p-wp43
References
More Intel Active Management Technology Firmware vulnerabilities
- TI-2017-03684 Improper privilege management in Intel Active Mangement Technology, Intel Small Business… KEVCVSS 3.1CRITICAL 9.8
- TI-2022-12740 Insufficiently protected credentials in Intel AMT and Intel Standard Manageability CVSS 3.1CRITICAL 9.8
- TI-2020-00572 Use after free in Intel AMT and Intel ISM CVSS 3.1CRITICAL 9.8
- TI-2020-00571 Out-of-bounds read in Intel AMT and Intel ISM CVSS 3.1CRITICAL 9.8
- TI-2020-07022 Improper buffer restrictions in network subsystem in provisioned Intel(R) AMT and… CVSS 3.1CRITICAL 9.8
- TI-2019-08330 Logic issue in subsystem in Intel(R) AMT before versions 11.8.70, 11.11.70, 11.22.70 and… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-33159 · CVE Program
- CVE-2021-33159 · NVD
- FIRST EPSS
- GHSA-v593-864p-wp43 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences