Re-pairing with a legitimate device can use a lower security level than previous making brute-forcing the LTK easier. See V4 in the BLERP paper linked below.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
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