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TI-2020-00549 Aliases CVE-2020-0566GHSA-xr97-v5rp-rx5p

Improper Access Control in subsystem for Intel(R) TXE versions before 3.175 and 4.0.25…

Priority LOW 30Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Improper Access Control in subsystem for Intel(R) TXE versions before 3.175 and 4.0.25 may allow an unauthenticated user to potentially enable escalation of privilege via physical access.

Why it matters now

EPSS 0.00472 41st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Intel(R) TXESee provided reference—No fix listedCNA
  • Intel(R) TXE Vendor— Affected See provided reference Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:intel:trusted_execution_engine_firmware:*:*:*:*:*:*:*:*3.0 – 3.1.70; 4.0 – 4.0.20VulnerableIntel
  • cpe:2.3:o:intel:trusted_execution_engine_firmware:*:*:*:*:*:*:*:* Versions 3.0 – 3.1.70; 4.0 – 4.0.20 Vulnerable ·Intel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-0566
  2. 2026-10-03 Alias added: GHSA-xr97-v5rp-rx5p

References

  • TI-2019-00147 Out-of-bounds write in Intel TXE CVSS 3.1HIGH 8.8
  • TI-2020-00520 Improper input validation in Intel CSME CVSS 3.1HIGH 7.5
  • TI-2017-03703 Multiple privilege escalations in kernel in Intel Trusted Execution Engine Firmware 3.0… CVSS 3.0HIGH 7.8
  • TI-2017-03700 Memory corruption in Intel Trusted Execution Engine CVSS 3.0HIGH 7.8
  • TI-2019-08341 Insufficient access control in hardware abstraction driver for MEInfo software for… CVSS 3.1HIGH 7.8
  • TI-2019-08308 Improper input validation in Intel CSME CVSS 3.1HIGH 7.8
See all 26 →

Sources