AUGUST 5, 2026
Live Feed
Back to database
Case File

CVE-2021-42023

MEDIUM · CVSS 6.5 EPSS 0.56%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-14 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. See the original NVD description below for full technical details.

CVE
CVE-2021-42023
Severity
MEDIUM
CVSS
6.5
EPSS
0.56%

Original NVD Description

A vulnerability has been identified in ModelSim Simulation (All versions), Questa Simulation (All versions). The RSA white-box implementation in affected applications insufficiently protects the built-in private keys that are required to decrypt electronic intellectual property (IP) data in accordance with the IEEE 1735 recommended practice. This could allow a sophisticated attacker to discover the keys, bypassing the protection intended by the IEEE 1735 recommended practice.

Related CVEs

Other vulnerabilities affecting the same vendor(s)