Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B through 5.2 may permit an unauthenticated nearby device to spoof the BD_ADDR of the peer device to complete pairing without knowledge of the PIN.
CVSS v4.0 Metrics
Exploitability
Attack VectorAdjacent
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityLow
IntegrityLow
AvailabilityNone
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 0.6 → 1.3 |
| 2026-07-21 | nvd | AV: P→A, AC: H→L, PR: H→N, UI: A→N, VC: N→L, VI: N→L | 0.0 → 0.6 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 0.0 |
Affected Software
| Vendor | Product | Version |
|---|
| bluetooth | bluetooth_core_specification | ≥ 1.1b, ≤ 5.2 |
| fedoraproject | fedora | 34 |
| intel | ac_3165_firmware | All versions |
| intel | ac_3168_firmware | All versions |
| intel | ac_7265_firmware | All versions |
| intel | ac_8260_firmware | All versions |
| intel | ac_8265_firmware | All versions |
| intel | ac_9260_firmware | All versions |
| intel | ac_9461_firmware | All versions |
| intel | ac_9462_firmware | All versions |
| intel | ac_9560_firmware | All versions |
| intel | ax200_firmware | All versions |
| intel | ax201_firmware | All versions |
| intel | ax210_firmware | All versions |
| intel | killer_ac_1550_firmware | All versions |
| intel | killer_wi-fi_6_ax1650_firmware | All versions |
| intel | killer_wi-fi_6e_ax1675_firmware | All versions |
Published: 2021-05-24
