6.8

CVE-2020-16630

Exploit

TI’s BLE stack caches and reuses the LTK’s property for a bonded mobile. A LTK can be an unauthenticated-and-no-MITM-protection key created by Just Works or an authenticated-and-MITM-protection key created by Passkey Entry, Numeric Comparison or OOB. Assume that a victim mobile uses secure pairing to pair with a victim BLE device based on TI chips and generate an authenticated-and-MITM-protection LTK. If a fake mobile with the victim mobile’s MAC address uses Just Works and pairs with the victim device, the generated LTK still has the property of authenticated-and-MITM-protection. Therefore, the fake mobile can access attributes with the authenticated read/write permission.

Data is provided by the National Vulnerability Database (NVD)
Ti ≫ 15.4-stack Version-
Ti ≫ Ble5-stack Version-
Ti ≫ Easylink Version-
Ti ≫ Openthread Version-
Ti ≫ Z-stack Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.14% 0.343
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 6.8 1.6 5.2
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
nvd@nist.gov 4.3 5.5 4.9
AV:A/AC:M/Au:N/C:P/I:P/A:N
CWE-863 Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.