Vulnerability in ModelSim and Questa Simulation Products by Siemens
CVE-2021-42023

6.5MEDIUM

Key Information:

Vendor

Siemens
Status
Modelsim Simulation
Questa Simulation
Vendor
CVE Published:
14 December 2021

What is CVE-2021-42023?

A vulnerability exists in Siemens' ModelSim and Questa Simulation products where the RSA white-box implementation fails to adequately protect the built-in private keys. These keys are critical for decrypting electronic intellectual property (IP) data, violating IEEE 1735 recommended practices. This weakness can potentially be exploited by sophisticated attackers, enabling them to uncover the keys and breach the security measures meant to safeguard IP data.

Affected Version(s)

ModelSim Simulation All versions

Questa Simulation All versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-40033...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.