CVE-2021-33714

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-07-13 · updated 2026-06-17
Weakness: CWE-476

Description

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.

Affected products

Siemens JT Utilities: before 13.0.2.0 — fixed in 13.0.2.0

How to fix

Upgrade to a fixed version: Siemens JT Utilities 13.0.2.0. Check the vendor advisory for mitigations.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-209268.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-209268.pdf

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