CVE-2020-12289
MEDIUM
5.5
CVSS Score
Published: June 9, 2021 at 06:42 PM UTC
Updated: June 17, 2026 at 02:51 AM UTC
27 products affected across 1 vendorJHL6540 Thunderbolt 3 FirmwareJHL7540 Thunderbolt 3 FirmwareDSL6540 Thunderbolt 3 Firmware
Using Intel(R) Thunderbolt(TM) controllers by N/A?
Get instant alerts when new vulnerabilities affect Intel(R) Thunderbolt(TM) controllers - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
Description
Out-of-bounds write in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 21
Affected range stops below 21, so it looks safe — our inference, not a vendor statement
intel-jhl6240-thunderbolt-3 (same device)
v < 46
Affected range stops below 46, so it looks safe — our inference, not a vendor statement
intel-jhl6340-thunderbolt-3 (same device)
v < 46
Affected range stops below 46, so it looks safe — our inference, not a vendor statement
intel-jhl6540-thunderbolt-3 (same device)
v < 22
Affected range stops below 22, so it looks safe — our inference, not a vendor statement
intel-jhl7040-thunderbolt-3-retimer (same device)
v < 60
Affected range stops below 60, so it looks safe — our inference, not a vendor statement
intel-jhl7340-thunderbolt-3 (same device)
v < 60
Affected range stops below 60, so it looks safe — our inference, not a vendor statement
intel-jhl7440-thunderbolt-3 (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00401.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card