VYPR
Medium severity6.5NVD Advisory· Published Dec 14, 2021· Updated Jun 17, 2026

CVE-2021-42023

CVE-2021-42023

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.

Affected products

6

Patches

Vulnerability mechanics

References

1

News mentions

0

No linked articles in our index yet.