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CVE-2020-12295

Improper input validation in some Intel(R) Thunderbolt(TM) controllers may allow an authenticated user to potentially enable denial of service via local access.
5.5
CVSS
1.9
ShadowTrackr
NO
CISA KEV
-
NCSC.nl
CVSS v4.0 Metrics
Exploitability
Attack VectorLocal
ComplexityLow
RequirementsPresent
PrivilegesLow
User InteractionNone
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityNone
IntegrityNone
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusUnavailable

Change Log
DateSourceChangesScore
2026-07-21nvdAV: P→L, AC: H→L, PR: H→L, UI: A→N, VA: N→H0.0 → 1.9
2026-07-21cve.orginitial, patch: Unavailable0.0
References: CVE.org · NVD

Affected Software
VendorProductVersion
inteldsl5320_thunderbolt_2_firmwareAll versions
inteldsl5520_thunderbolt_2_firmwareAll versions
inteldsl6340_thunderbolt_3_firmwareAll versions
inteldsl6540_thunderbolt_3_firmwareAll versions
inteljhl6240_thunderbolt_3_firmware< 21
inteljhl6340_thunderbolt_3_firmware< 46
inteljhl6540_thunderbolt_3_firmware< 46
inteljhl7040_thunderbolt_3_retimer_firmware< 22
inteljhl7340_thunderbolt_3_firmware< 60
inteljhl7440_thunderbolt_3_firmware< 60
inteljhl7540_thunderbolt_3_firmware< 60
inteljhl8010r_usb_retimer_firmware< 41
inteljhl8040r_thunderbolt_4_retimer_firmware< 41
n/aIntel(R) Thunderbolt(TM) controllersSee references
Published: 2021-06-09