CVE-2021-33715

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 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.

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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