CVEvulnerability
CVE-2021-42023
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-12-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-522
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 configurations
• siemens modelsim
• siemens questa
Related
Weakness · CWE (1)
- CWE-522 Insufficiently Protected Credentials weakness
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-400332.pdf Patch, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-400332.pdf Patch, Vendor Advisory