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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Intel BIOS Advisory | https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00356.html | — | No fix listed | CNA |
- 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:intel:bios:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Intel |
| cpe:2.3:h:intel:celeron_4205u:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:celeron_4305u:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:celeron_4305ue:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i3_8100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i3_8100f:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i3_8100t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i3_8300:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i3_8300t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i3_8350k:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
- 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:intel:core_i3_9100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i3_9100f:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i3_9100t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i3_9300:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i3_9300t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i3_9320:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i3_9350k:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i3_9350kf:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_8400:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_8400t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_8500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_8500t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_8600:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_8600k:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_8600t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_9400:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_9400f:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_9400t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_9500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_9500f:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_9500t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_9600:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_9600k:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_9600kf:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i5_9600t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i7_8086k:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i7_8700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i7_8700k:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i7_8700t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i7_9700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i7_9700f:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i7_9700k:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i7_9700kf:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i7_9700t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i9_9900:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i9_9900k:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i9_9900kf:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i9_9900ks:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:h:intel:core_i9_9900t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
- 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
- 2026-10-02 Threatist record created from CVE-2020-8672
- 2026-10-03 Alias added: GHSA-3mxg-74vr-rhx5
References
More Intel Bios vulnerabilities
- 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
Sources
- CVE-2020-8672 · CVE Program
- CVE-2020-8672 · NVD
- FIRST EPSS
- GHSA-3mxg-74vr-rhx5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences