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TI-2020-00523 Aliases CVE-2020-0539GHSA-x98q-xj22-fqcf

Path traversal in Intel AMT and Intel CSME

Priority LOW 25CWE-22Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

Path traversal in subsystem for Intel(R) DAL software for Intel(R) CSME versions before 11.8.77, 11.12.77, 11.22.77, 12.0.64, 13.0.32, 14.0.33 and Intel(R) TXE versions before 3.1.75, 4.0.25 may allow an unprivileged user to potentially enable denial of service via local access.

Why it matters now

EPSS 0.00366 30th 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) AMT and Intel(R) CSMESee provided reference—No fix listedCNA
  • Intel(R) AMT and Intel(R) CSME Vendor— Affected See provided reference Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:*11.0 to before 11.8.77; 11.10 to before 11.12.77; 11.20 to before 11.22.77VulnerableIntel
cpe:2.3:o:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:undefined12.0 to before 12.0.64VulnerableIntel
cpe:2.3:o:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:*13.0 to before 13.0.32; 14.0 to before 14.0.33VulnerableIntel
cpe:2.3:o:intel:trusted_execution_engine_firmware:*:*:*:*:*:*:*:*3.0 to before 3.1.75; 4.0 to before 4.0.25VulnerableIntel
  • cpe:2.3:o:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:* Versions 11.0 to before 11.8.77; 11.10 to before 11.12.77; 11.20 to before 11.22.77 Vulnerable ·Intel
  • cpe:2.3:o:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:undefined Versions 12.0 to before 12.0.64 Vulnerable ·Intel
  • cpe:2.3:o:intel:converged_security_management_engine_firmware:*:*:*:*:*:*:*:* Versions 13.0 to before 13.0.32; 14.0 to before 14.0.33 Vulnerable ·Intel
  • cpe:2.3:o:intel:trusted_execution_engine_firmware:*:*:*:*:*:*:*:* Versions 3.0 to before 3.1.75; 4.0 to before 4.0.25 Vulnerable ·Intel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-0539
  2. 2026-10-03 Alias added: GHSA-x98q-xj22-fqcf

References

  • TI-2019-00133 Memory corruption in Intel Converged Security & Management Engine CVSS 3.0CRITICAL 9.8
  • TI-2022-16731 Improper input validation in Intel AMT and Intel Standard Manageability in Intel CSME CVSS 3.1HIGH 8.6
  • TI-2019-00147 Out-of-bounds write in Intel TXE CVSS 3.1HIGH 8.8
  • TI-2020-00518 Improper input validation in Intel CSME CVSS 3.1HIGH 7.5
  • TI-2020-00520 Improper input validation in Intel CSME CVSS 3.1HIGH 7.5
  • TI-2018-02667 A vulnerability in Power Management Controller firmware in systems using specific… CVSS 3.0HIGH 8.2
See all 43 →

Sources