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TI-2021-12716 Aliases CVE-2021-33149GHSA-m6p5-m5xh-8xgm

Observable discrepancy in Intel Processors

Priority LOW 24CWE-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 · CISA ADP. Fix status from CNA. Impact type from CWE-203.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00252 16th percentileScored 2026-11-07
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

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 · 16

CPEVersionsRoleVendor
cpe:2.3:o:intel:core_processors_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableIntel
cpe:2.3:h:intel:core_processors:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
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:itanium_processors_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableIntel
cpe:2.3:h:intel:itanium_processors:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
  • cpe:2.3:o:intel:core_processors_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Intel
  • cpe:2.3:h:intel:core_processors:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • 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: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
Show 6 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:intel:atom_processors_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableIntel
cpe:2.3:h:intel:atom_processors:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:o:intel:xeon_phi_processors_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableIntel
cpe:2.3:h:intel:xeon_phi_processors:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:o:intel:quark_soc_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableIntel
cpe:2.3:h:intel:quark_soc:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
  • cpe:2.3:o:intel:atom_processors_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Intel
  • cpe:2.3:h:intel:atom_processors:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:o:intel:xeon_phi_processors_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Intel
  • cpe:2.3:h:intel:xeon_phi_processors:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:o:intel:quark_soc_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Intel
  • cpe:2.3:h:intel:quark_soc:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-33149
  2. 2026-10-03 Alias added: GHSA-m6p5-m5xh-8xgm

References

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences