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TI-2021-13091 Aliases CVE-2021-33717GHSA-gqrw-4vcw-m5fj

NULL pointer dereference in Siemens JT2Go

Priority LOW 27CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.

Summary

A vulnerability has been identified in JT2Go (All versions < V13.2.0.1), Teamcenter Visualization (All versions < V13.2.0.1). When parsing specially crafted CGM Files, a NULL pointer deference condition could cause the application to crash. The application must be restarted to restore the service. An attacker could leverage this vulnerability to cause a Denial-of-Service condition in the application.

Why it matters now

EPSS 0.01112 66th percentileScored 2026-11-07
Fix Fixed JT2Go (Siemens): V13.2.0.1Teamcenter Visualization (Siemens): V13.2.0.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensJT2Gobefore V13.2.0.1V13.2.0.1Patch availableCNA
SiemensTeamcenter Visualizationbefore V13.2.0.1V13.2.0.1Patch availableCNA
  • JT2Go VendorSiemens Affected before V13.2.0.1 Fixed in V13.2.0.1 Patch available CNA
  • Teamcenter Visualization VendorSiemens Affected before V13.2.0.1 Fixed in V13.2.0.1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:siemens:jt2go:*:*:*:*:*:*:*:*before 13.2.0.1VulnerableSiemens
cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:*before 13.2.0.1VulnerableSiemens
  • cpe:2.3:a:siemens:jt2go:*:*:*:*:*:*:*:* Versions before 13.2.0.1 Vulnerable ·Siemens
  • cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:* Versions before 13.2.0.1 Vulnerable ·Siemens

Remediation

  • Fix · CNA JT2Go (Siemens) Fixed in V13.2.0.1
  • Fix · CNA Teamcenter Visualization (Siemens) Fixed in V13.2.0.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-33717
  2. 2026-10-03 Alias added: GHSA-gqrw-4vcw-m5fj

References

Patch 1

  • TI-2020-16414 NULL pointer dereference in Siemens JT2Go CVSS 3.1HIGH 8.8
  • TI-2020-16413 Type confusion in Siemens JT2Go CVSS 3.1HIGH 8.8
  • TI-2020-16410 Heap-based buffer overflow in Siemens JT2Go CVSS 3.1HIGH 8.8
  • TI-2020-16408 Heap-based buffer overflow in Siemens JT2Go CVSS 3.1HIGH 8.8
  • TI-2020-16419 Out-of-bounds read in Siemens JT2Go CVSS 3.1HIGH 8.8
  • TI-2020-16418 Out-of-bounds write in Siemens JT2Go CVSS 3.1HIGH 8.8
See all 165 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences