CVE-2021-42024: Siemens Simcenter Star-Ccm+ Viewer

High severity, CVSS 7.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability has been identified in Simcenter STAR-CCM+ Viewer (All versions < 2021.3.1). The starview+.exe application lacks proper validation of user-supplied data when parsing scene files. This could result in an out of bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process.

Affected products

• Siemens Simcenter Star-Ccm+ Viewer: before 2021.3.1 (fixed in 2021.3.1)

Published 2021-12-14. Last modified 2026-06-17.