Threat Encyclopedia

Wibu-Systems.CodeMeter.CmLAN.Buffer.Overread

description-logoDescription

This indicates an attack attempt to exploit a Buffer Over-read Vulnerability in Wibu-Systems CodeMeter.
The vulnerability is due to insufficient validation in messages sent from remote clients. A remote attacker could exploit the vulnerability by sending crafted messages to the CodeMeter CmLAN server. Successful exploitation could result in a denial of service condition on the target.

affected-products-logoAffected Products

Wibu-Systems CodeMeter prior to 7.21a

Impact logoImpact

Denial of Service: Remote attackers can crash vulnerable systems

recomended-action-logoRecommended Actions

Apply the most recent upgrade or patch from the vendor.
https://www.wibu.com/us/support/user/downloads-user-software.html

CVE References

CVE-2021-20093

Telemetry logoTelemetry