Uncontrolled resource consumption in Intel Thunderbolt controllers
Priority LOW 24CWE-400Published · 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-400.
Summary
Uncontrolled resource consumption in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
Why it matters now
EPSS 0.00219 12th 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(R) Thunderbolt(TM) controllers | See references | — | No fix listed | CNA |
- Intel(R) Thunderbolt(TM) controllers Vendor— Affected See references Fixed in — No fix listed CNA
CPE configurations NVD · 26
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:intel:dsl5320_thunderbolt_2_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Intel |
| cpe:2.3:h:intel:dsl5320_thunderbolt_2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:o:intel:dsl5520_thunderbolt_2_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Intel |
| cpe:2.3:h:intel:dsl5520_thunderbolt_2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:o:intel:dsl6340_thunderbolt_3_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Intel |
| cpe:2.3:h:intel:dsl6340_thunderbolt_3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:o:intel:dsl6540_thunderbolt_3_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Intel |
| cpe:2.3:h:intel:dsl6540_thunderbolt_3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:o:intel:jhl6240_thunderbolt_3_firmware:*:*:*:*:*:*:*:* | before 21 | Vulnerable | Intel |
| cpe:2.3:h:intel:jhl6240_thunderbolt_3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
- cpe:2.3:o:intel:dsl5320_thunderbolt_2_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Intel
- cpe:2.3:h:intel:dsl5320_thunderbolt_2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:o:intel:dsl5520_thunderbolt_2_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Intel
- cpe:2.3:h:intel:dsl5520_thunderbolt_2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:o:intel:dsl6340_thunderbolt_3_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Intel
- cpe:2.3:h:intel:dsl6340_thunderbolt_3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:o:intel:dsl6540_thunderbolt_3_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Intel
- cpe:2.3:h:intel:dsl6540_thunderbolt_3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:o:intel:jhl6240_thunderbolt_3_firmware:*:*:*:*:*:*:*:* Versions before 21 Vulnerable ·Intel
- cpe:2.3:h:intel:jhl6240_thunderbolt_3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
Show 16 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:intel:jhl6340_thunderbolt_3_firmware:*:*:*:*:*:*:*:* | before 46 | Vulnerable | Intel |
| cpe:2.3:h:intel:jhl6340_thunderbolt_3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:o:intel:jhl6540_thunderbolt_3_firmware:*:*:*:*:*:*:*:* | before 46 | Vulnerable | Intel |
| cpe:2.3:h:intel:jhl6540_thunderbolt_3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:o:intel:jhl7040_thunderbolt_3_retimer_firmware:*:*:*:*:*:*:*:* | before 22 | Vulnerable | Intel |
| cpe:2.3:h:intel:jhl7040_thunderbolt_3_retimer:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:o:intel:jhl7340_thunderbolt_3_firmware:*:*:*:*:*:*:*:* | before 60 | Vulnerable | Intel |
| cpe:2.3:h:intel:jhl7340_thunderbolt_3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:o:intel:jhl7440_thunderbolt_3_firmware:*:*:*:*:*:*:*:* | before 60 | Vulnerable | Intel |
| cpe:2.3:h:intel:jhl7440_thunderbolt_3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:o:intel:jhl7540_thunderbolt_3_firmware:*:*:*:*:*:*:*:* | before 60 | Vulnerable | Intel |
| cpe:2.3:h:intel:jhl7540_thunderbolt_3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:o:intel:jhl8010r_usb_retimer_firmware:*:*:*:*:*:*:*:* | before 41 | Vulnerable | Intel |
| cpe:2.3:h:intel:jhl8010r_usb_retimer:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
| cpe:2.3:o:intel:jhl8040r_thunderbolt_4_retimer_firmware:*:*:*:*:*:*:*:* | before 41 | Vulnerable | Intel |
| cpe:2.3:h:intel:jhl8040r_thunderbolt_4_retimer:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Intel |
- cpe:2.3:o:intel:jhl6340_thunderbolt_3_firmware:*:*:*:*:*:*:*:* Versions before 46 Vulnerable ·Intel
- cpe:2.3:h:intel:jhl6340_thunderbolt_3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:o:intel:jhl6540_thunderbolt_3_firmware:*:*:*:*:*:*:*:* Versions before 46 Vulnerable ·Intel
- cpe:2.3:h:intel:jhl6540_thunderbolt_3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:o:intel:jhl7040_thunderbolt_3_retimer_firmware:*:*:*:*:*:*:*:* Versions before 22 Vulnerable ·Intel
- cpe:2.3:h:intel:jhl7040_thunderbolt_3_retimer:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:o:intel:jhl7340_thunderbolt_3_firmware:*:*:*:*:*:*:*:* Versions before 60 Vulnerable ·Intel
- cpe:2.3:h:intel:jhl7340_thunderbolt_3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:o:intel:jhl7440_thunderbolt_3_firmware:*:*:*:*:*:*:*:* Versions before 60 Vulnerable ·Intel
- cpe:2.3:h:intel:jhl7440_thunderbolt_3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:o:intel:jhl7540_thunderbolt_3_firmware:*:*:*:*:*:*:*:* Versions before 60 Vulnerable ·Intel
- cpe:2.3:h:intel:jhl7540_thunderbolt_3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:o:intel:jhl8010r_usb_retimer_firmware:*:*:*:*:*:*:*:* Versions before 41 Vulnerable ·Intel
- cpe:2.3:h:intel:jhl8010r_usb_retimer:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
- cpe:2.3:o:intel:jhl8040r_thunderbolt_4_retimer_firmware:*:*:*:*:*:*:*:* Versions before 41 Vulnerable ·Intel
- cpe:2.3:h:intel:jhl8040r_thunderbolt_4_retimer:-:*:*:*:*:*:*:* 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-2020-12296
- 2026-10-03 Alias added: GHSA-3g3h-74p9-27c2
References
More Intel Dsl5320 Thunderbolt 2 Firmware vulnerabilities
- TI-2020-09826 Improper input validation in Intel Thunderbolt controllers CVSS 3.1MEDIUM 5.5
- TI-2020-09825 Insufficient control flow management in some Intel(R) Thunderbolt(TM) controllers may… CVSS 3.1MEDIUM 5.5
- TI-2020-09824 Improper control of a resource through its lifetime in some Intel(R) Thunderbolt(TM)… CVSS 3.1MEDIUM 5.5
- TI-2020-09823 Improper check for unusual conditions in Intel Thunderbolt controllers CVSS 3.1MEDIUM 5.5
- TI-2020-09822 Uncontrolled resource consumption in Intel Thunderbolt controllers CVSS 3.1MEDIUM 5.5
- TI-2020-09821 Improper access control in some Intel(R) Thunderbolt(TM) controllers may allow an… CVSS 3.1MEDIUM 5.5
Sources
- CVE-2020-12296 · CVE Program
- CVE-2020-12296 · NVD
- FIRST EPSS
- GHSA-3g3h-74p9-27c2 · GitHub Advisory Database · CC BY 4.0
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