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TI-2020-16421 Aliases CVE-2020-26998GHSA-r2f9-gjrv-w2m3

Out-of-bounds read in Siemens JT2Go

Priority LOW 26CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

A vulnerability has been identified in JT2Go (All versions < V13.1.0.2), Teamcenter Visualization (All versions < V13.1.0.2). Affected applications lack proper validation of user-supplied data when parsing of PAR files. This could result in a memory access past the end of an allocated buffer. An attacker could leverage this vulnerability to leak information. (ZDI-CAN-12040)

Why it matters now

EPSS 0.00654 51st percentileScored 2026-11-07
Fix Fixed JT2Go (Siemens): V13.1.0.2Teamcenter Visualization (Siemens): V13.1.0.2

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensJT2Gobefore V13.1.0.2V13.1.0.2Patch availableCNA
SiemensTeamcenter Visualizationbefore V13.1.0.2V13.1.0.2Patch availableCNA
  • JT2Go VendorSiemens Affected before V13.1.0.2 Fixed in V13.1.0.2 Patch available CNA
  • Teamcenter Visualization VendorSiemens Affected before V13.1.0.2 Fixed in V13.1.0.2 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:siemens:jt2go:*:*:*:*:*:*:*:*before 13.1.0.2VulnerableSiemens
cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:*before 13.1.0.2VulnerableSiemens
  • cpe:2.3:a:siemens:jt2go:*:*:*:*:*:*:*:* Versions before 13.1.0.2 Vulnerable ·Siemens
  • cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:* Versions before 13.1.0.2 Vulnerable ·Siemens

Remediation

  • Fix · CNA JT2Go (Siemens) Fixed in V13.1.0.2
  • Fix · CNA Teamcenter Visualization (Siemens) Fixed in V13.1.0.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-26998
  2. 2026-10-03 Alias added: GHSA-r2f9-gjrv-w2m3
  3. 2026-10-19 EPSS moved to the 50th–90th percentile

References

Patch 1

Advisory 3

  • 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