CVE-2020-13593 | BDVDB-2026-140813 Detail

Description#

The Bluetooth Low Energy Secure Manager Protocol (SMP) implementation in Texas Instruments SimpleLink SIMPLELINK-CC2640R2-SDK through 2.2.3 allows the Diffie-Hellman check during the Secure Connection pairing to be skipped if the Link Layer encryption setup is performed earlier. An attacker in radio range can achieve arbitrary read/write access to protected GATT service data, cause a denial of service, or possibly control a device's function by establishing an encrypted session with an unauthenticated Long Term Key (LTK).

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

http://www.ti.com/tool/BLE-STACK
https://asset-group.github.io/disclosures/sweyntooth/
https://asset-group.github.io/cves.html

Exploit#

No public exploit known

History#

Version 12020-08-31Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.