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TI-2021-00043 Aliases CVE-2021-0089GHSA-hhg2-c4p3-h55x

Observable discrepancy in Intel Processors

Priority LOW 29CWE-203Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-203.

Summary

Observable response discrepancy in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

Why it matters now

EPSS 0.00357 29th 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) ProcessorsSee references—No fix listedCNA
  • Intel(R) Processors Vendor— Affected See references Fixed in — No fix listed CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*33VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*34VulnerableFedoraproject
cpe:2.3:o:intel:pentium_processors_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableIntel
cpe:2.3:h:intel:pentium_processors:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:o:intel:celeron_processors_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableIntel
cpe:2.3:h:intel:celeron_processors:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:o:intel:xeon_processors_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableIntel
cpe:2.3:h:intel:xeon_processors:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:o:intel:core_processors_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableIntel
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
  • cpe:2.3:o:intel:pentium_processors_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Intel
  • cpe:2.3:h:intel:pentium_processors:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:o:intel:celeron_processors_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Intel
  • cpe:2.3:h:intel:celeron_processors:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:o:intel:xeon_processors_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Intel
  • cpe:2.3:h:intel:xeon_processors:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:o:intel:core_processors_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Intel
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:intel:core_processors:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:o:intel:itanium_processors_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableIntel
cpe:2.3:h:intel:itanium_processors:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
  • cpe:2.3:h:intel:core_processors:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:o:intel:itanium_processors_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Intel
  • cpe:2.3:h:intel:itanium_processors:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-0089
  2. 2026-10-03 Alias added: GHSA-hhg2-c4p3-h55x

References

Sources