CVE-2020-14515: Wibu Codemeter

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

CodeMeter (All versions prior to 6.90 when using CmActLicense update files with CmActLicense Firm Code) has an issue in the license-file signature checking mechanism, which allows attackers to build arbitrary license files, including forging a valid license file as if it were a valid license file of an existing vendor. Only CmActLicense update files with CmActLicense Firm Code are affected.

Affected products

• Wibu Codemeter: before 6.90 (fixed in 6.90)

Published 2020-09-16. Last modified 2026-06-17.