What is CVE-2021-42023?

CVE-2021-42023 is a medium-severity vulnerability in Siemens Modelsim, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2021-12-14.

How severe is CVE-2021-42023?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Siemens Modelsim

CVE-2021-42023

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 d…

EPSS: 0.006 (42.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Siemens Modelsim
Siemens Modelsim Simulation — versions All versions
Siemens Questa
Siemens Questa Simulation — versions All versions

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

productcert@siemens.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-42023?: CVE-2021-42023 is a medium-severity vulnerability in Siemens Modelsim, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2021-12-14.
How severe is CVE-2021-42023?: Medium severity. CVSS v3 base score is 6.5 out of 10.