CVE-2020-14515

HIGH

CodeMeter < 6.90 - Cryptographic Signature Verification Bypass via CmActLicense Update Files

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://us-cert.cisa.gov/ics/advisories/icsa-20-203-01

Scores

CVSS v3 7.5
EPSS 0.0084
EPSS Percentile 52.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-347
Status published
Products (1)
wibu/codemeter < 6.90
Published Sep 16, 2020
Tracked Since Feb 18, 2026