CVE-2020-14199 | BDVDB-2026-137459 Detail

Description#

BIP-143 in the Bitcoin protocol specification mishandles the signing of a Segwit transaction, which allows attackers to trick a user into making two signatures in certain cases, potentially leading to a huge transaction fee. NOTE: this affects all hardware wallets. It was fixed in 1.9.1 for the Trezor One and 2.3.1 for the Trezor Model T.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

https://blog.trezor.io/details-of-firmware-updates-for-trezor-one-version-1-9-1-and-trezor-model-t-version-2-3-1-1eba8f60f2dd

Exploit#

No public exploit known

History#

Version 12020-06-16Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.