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WS-2020-0444

Date: August 19, 2025

All versions of shamir rust crate before 2.0.0 did not properly calculate secret shares requirements. This reduces the security of the (shamir secret sharing) algorithm by restricting the crate to always using a threshold value of three, rather than a configurable limit.

Language: RUST

Severity Score

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

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