CVE-2021-27494: Datakit Crosscadware

High severity, CVSS 7.8. EPSS: 2.2% chance of exploitation in the next 30 days.

Datakit Software libraries CatiaV5_3dRead, CatiaV6_3dRead, Step3dRead, Ug3dReadPsr, Jt3dReadPsr modules in KeyShot Versions v10.1 and prior lack proper validation of user-supplied data when parsing STP files. This could result in a stack-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of the current process.

Affected products

• Datakit Crosscadware: up to and including 2021.1
• Luxion Keyshot: up to and including 10.1
• Siemens Solid Edge SE2020 Firmware: any version
• Siemens Solid Edge SE2021 Firmware: any version

Published 2021-05-27. Last modified 2026-06-17.