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TI-2020-06947 Aliases CVE-2020-8672GHSA-3mxg-74vr-rhx5

Out-of-bounds read in Intel BIOS Advisory

Priority LOW 34CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
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

Out of bound read in BIOS firmware for 8th, 9th Generation Intel(R) Core(TM), Intel(R) Celeron(R) Processor 4000 Series Processors may allow an unauthenticated user to potentially enable elevation of privilege or denial of service via local access.

Why it matters now

EPSS 0.00345 28th 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 BIOS Advisoryhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00356.html—No fix listedCNA
  • Intel BIOS Advisory Vendor— Affected https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00356.html Fixed in — No fix listed CNA

CPE configurations NVD · 49

CPEVersionsRoleVendor
cpe:2.3:o:intel:bios:-:*:*:*:*:*:*:*not specified by NVDVulnerableIntel
cpe:2.3:h:intel:celeron_4205u:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:celeron_4305u:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:celeron_4305ue:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i3_8100:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i3_8100f:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i3_8100t:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i3_8300:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i3_8300t:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i3_8350k:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
  • cpe:2.3:o:intel:bios:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Intel
  • cpe:2.3:h:intel:celeron_4205u:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:celeron_4305u:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:celeron_4305ue:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i3_8100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i3_8100f:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i3_8100t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i3_8300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i3_8300t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i3_8350k:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
Show 39 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:intel:core_i3_9100:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i3_9100f:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i3_9100t:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i3_9300:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i3_9300t:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i3_9320:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i3_9350k:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i3_9350kf:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_8400:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_8400t:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_8500:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_8500t:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_8600:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_8600k:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_8600t:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_9400:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_9400f:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_9400t:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_9500:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_9500f:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_9500t:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_9600:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_9600k:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_9600kf:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i5_9600t:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i7_8086k:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i7_8700:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i7_8700k:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i7_8700t:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i7_9700:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i7_9700f:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i7_9700k:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i7_9700kf:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i7_9700t:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i9_9900:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i9_9900k:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i9_9900kf:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i9_9900ks:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:h:intel:core_i9_9900t:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
  • cpe:2.3:h:intel:core_i3_9100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i3_9100f:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i3_9100t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i3_9300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i3_9300t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i3_9320:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i3_9350k:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i3_9350kf:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_8400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_8400t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_8500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_8500t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_8600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_8600k:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_8600t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_9400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_9400f:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_9400t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_9500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_9500f:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_9500t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_9600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_9600k:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_9600kf:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i5_9600t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i7_8086k:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i7_8700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i7_8700k:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i7_8700t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i7_9700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i7_9700f:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i7_9700k:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i7_9700kf:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i7_9700t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i9_9900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i9_9900k:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i9_9900kf:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i9_9900ks:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:h:intel:core_i9_9900t:-:*:*:*:*:*:*:* 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-2020-8672
  2. 2026-10-03 Alias added: GHSA-3mxg-74vr-rhx5

References

  • TI-2020-09883 Out-of-bounds read in Intel Processors CVSS 3.1HIGH 7.8
  • TI-2019-10846 Buffer overflow in Intel BIOS CVSS 3.1HIGH 8.0
  • TI-2020-07004 Use of potentially dangerous function in Intel BIOS platform sample code for some… CVSS 3.1HIGH 7.8
  • TI-2018-02648 Intel NUC kits with insufficient input validation in system firmware, potentially allows… CVSS 3.0HIGH 7.8
  • TI-2020-09882 Insufficient control flow management in the firmware for some Intel(R) Processors may… CVSS 3.1MEDIUM 6.8
  • TI-2020-09880 Improper initialization in the firmware for some Intel(R) Processors may allow a… CVSS 3.1MEDIUM 6.7
See all 26 →

Sources