A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.
Exploitability
AV:PAC:HPR:HUI:NScope
S:UImpact
C:HI:NA:N3.8/CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:NOther