CVE-2020-26992: Siemens JT2GO

High severity, CVSS 7.8. EPSS: 1.7% chance of exploitation in the next 30 days.

A vulnerability has been identified in JT2Go (All versions < V13.1.0), Teamcenter Visualization (All versions < V13.1.0). Affected applications lack proper validation of user-supplied data when parsing CGM files. This could lead to a stack based buffer overflow while trying to copy to a buffer during font string handling. An attacker could leverage this vulnerability to execute code in the context of the current process.

Affected products

  • Siemens JT2GO: before 13.1.0 (fixed in 13.1.0)
  • Siemens Teamcenter Visualization: before 13.1.0 (fixed in 13.1.0)

Published 2021-01-12. Last modified 2026-06-17.