CVE-2021-20094

HIGH

Wibu Codemeter < 7.21a - Out-of-Bounds Read

Title source: rule
STIX 2.1

Description

A denial of service vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to crash the CodeMeter Runtime Server.

References (4)

Core 4
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
https://www.tenable.com/security/research/tra-2021-24
Patch, Third Party Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf
Third Party Advisory, US Government Resource x_refsource_misc
https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02

Scores

CVSS v3 7.5
EPSS 0.0677
EPSS Percentile 91.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-125
Status published
Products (3)
siemens/pss_cape
siemens/sicam_230_firmware
wibu/codemeter < 7.21a
Published Jun 16, 2021
Tracked Since Feb 18, 2026