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TI-2021-13088 Aliases CVE-2021-33714GHSA-962j-23c4-pj99

NULL pointer dereference in Siemens JT Utilities

Priority LOW 24CWE-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 JT Utilities (All versions < V13.0.2.0). When parsing specially crafted JT files, a missing check for the validity of an iterator leads to NULL pointer deference condition, causing the application to crash. An attacker could leverage this vulnerability to cause a Denial-of-Service condition in the application.

Why it matters now

EPSS 0.00236 14th percentileScored 2026-11-07
Fix Fixed JT Utilities (Siemens): V13.0.2.0

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensJT Utilitiesbefore V13.0.2.0V13.0.2.0Patch availableCNA
  • JT Utilities VendorSiemens Affected before V13.0.2.0 Fixed in V13.0.2.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:siemens:jt_utilities:*:*:*:*:*:*:*:*before 13.0.2.0VulnerableSiemens
  • cpe:2.3:a:siemens:jt_utilities:*:*:*:*:*:*:*:* Versions before 13.0.2.0 Vulnerable ·Siemens

Remediation

  • Fix · CNA JT Utilities (Siemens) Fixed in V13.0.2.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-33714
  2. 2026-10-03 Alias added: GHSA-962j-23c4-pj99

References

Advisory 1

  • TI-2021-19766 Use after free in Siemens JT Open CVSS 3.1HIGH 7.8
  • TI-2021-19754 Out-of-bounds write in Siemens JT Open CVSS 3.1HIGH 7.8
  • TI-2022-23749 Memory corruption in Siemens JT Open CVSS 3.1HIGH 7.8
  • TI-2021-20063 Out-of-bounds write in Siemens JT Utilities CVSS 3.1HIGH 7.8
  • TI-2021-20061 Use after free in Siemens JT Utilities CVSS 3.1HIGH 7.8
  • TI-2021-20060 Out-of-bounds write in Siemens JT Utilities CVSS 3.1HIGH 7.8
See all 31 →

Sources

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