The keygen protocol implementation in Binance tss-lib before 1.2.0 allows attackers to generate crafted h1 and h2 parameters in order to compromise a signing round or obtain sensitive information from other parties.
https://github.com/binance-chain/tss-lib/releases/tag/v1.2.0
https://github.com/binance-chain/tss-lib/pull/89
Source: Mitre, NVD
Published: 2020-04-23
Updated: 2026-06-17
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 8.2
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Severity: High
EPSS: 0.00302