CVE-2020-12118

HIGH
8.2
CVSS Score
Published: April 23, 2020 at 09:28 PM UTC
Updated: June 17, 2026 at 02:51 AM UTC
1 product affected across 1 vendorTss Lib

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Severity
HIGH8.2
Exploit prediction
EPSS 1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.2.0
Affected range stops below 1.2.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_MISCPatchThird Party Advisory
https://github.com/binance-chain/tss-lib/pull/89
x_refsource_MISCRelease NotesThird Party Advisory
https://github.com/binance-chain/tss-lib/releases/tag/v1.2.0

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-276

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