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TI-2021-13089 Aliases CVE-2021-33715GHSA-3xx5-g4fv-w39v

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 race condition could cause an object to be released before being operated on, leading to NULL pointer deference condition and 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-2021-33715
  2. 2026-10-03 Alias added: GHSA-3xx5-g4fv-w39v

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