Siemens Questa and ModelSim
The affected product is vulnerable to insufficiently protected keys required for decrypting intellectual property data, which could allow an attacker to discover the keys and bypass the protection intended by IEEE 1735 standard. CVE-2021-42023 has been assigned to this vulnerability. A CVSS v3 base score of 9.0 has been assigned; the CVSS vector string is (AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N).