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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory siemens.com
Affected: Siemens ModelSim Simulation
Affected: Siemens Questa Simulation
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-400332.pdf patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-42023?
CVE-2021-42023 has been scored as a medium severity vulnerability.
How to fix CVE-2021-42023?
To fix CVE-2021-42023, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-42023 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-42023 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-42023?
CVE-2021-42023 affects Siemens ModelSim Simulation, Siemens Questa Simulation.
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