CVE-2020-11735

MEDIUM

wolfssl < 4.4.0 - Observable Discrepancy in ECC Private-Key Operations

Title source: llm
STIX 2.1

Description

The private-key operations in ecc.c in wolfSSL before 4.4.0 do not use a constant-time modular inverse when mapping to affine coordinates, aka a "projective coordinates leak."

References (2)

Core 2
Core References
Release Notes, Third Party Advisory x_refsource_confirm
https://github.com/wolfSSL/wolfssl/releases/tag/v4.4.0-stable

Scores

CVSS v3 5.3
EPSS 0.0129
EPSS Percentile 66.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-203
Status published
Products (1)
wolfssl/wolfssl < 4.4.0
Published Jun 25, 2020
Tracked Since Feb 18, 2026