← Vulnerability feed

Vulnerability record · CVE-2021-33714 · published 13 July 2021

CVE-2021-33714: Siemens jt utilities null pointer dereference vulnerability

Siemens · Jt Utilities

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.

5.5 CVSS 3.1 Medium EPSS 0.24% · top 86.5% CWE-476 · NULL pointer dereference
5.5CVSS 3.1 base score, v2 2.1
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

Track CVE-2021-33714 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2023-30795Siemens jt open out-of-bounds read vulnerabilityA vulnerability has been identified in JT Open (All versions < V11.4), JT Utilities (All versions < V13.4), Parasolid V34.0 (All versions < V34.0.253…EPSS 0.22%7.8CVE-2023-30796Siemens jt open toolkit out-of-bounds read vulnerabilityA vulnerability has been identified in JT Open (All versions < V11.4), JT Utilities (All versions < V13.4). The affected applications contain an out …EPSS 0.22%7.8CVE-2023-29053Siemens jt open toolkit out-of-bounds read vulnerabilityA vulnerability has been identified in JT Open (All versions < V11.3.2.0), JT Utilities (All versions < V13.3.0.0). The affected applications contain…EPSS 0.22%7.8CVE-2022-47936Siemens jt open toolkit stack-based buffer overflow vulnerabilityA vulnerability has been identified in JT Open (All versions < V11.2.3.0), JT Utilities (All versions < V13.2.3.0), Parasolid V34.0 (All versions < V…EPSS 0.23%7.8CVE-2022-47977Siemens jt open toolkit memory buffer overflow vulnerabilityA vulnerability has been identified in JT Open (All versions < V11.2.3.0), JT Utilities (All versions < V13.2.3.0). The affected application contains…EPSS 0.22%7.8CVE-2022-47935Siemens jt open toolkit memory buffer overflow vulnerabilityA vulnerability has been identified in JT Open (All versions < V11.1.1.0), JT Utilities (All versions < V13.1.1.0), Solid Edge (All versions < V2023)…EPSS 0.28%7.8CVE-2021-44432Siemens jt open toolkit stack-based buffer overflow vulnerabilityA vulnerability has been identified in JT Utilities (All versions < V13.1.1.0), JTTK (All versions < V11.1.1.0). JTTK library in affected products is…EPSS 0.90%7.8CVE-2021-44437Siemens jt open toolkit out-of-bounds write vulnerabilityA vulnerability has been identified in JT Utilities (All versions < V13.1.1.0), JTTK (All versions < V11.1.1.0). JTTK library in affected products is…EPSS 0.84%

Source: NIST National Vulnerability Database (record CVE-2021-33714), CISA KEV, FIRST EPSS (scores of 2026-10-16). This page is refreshed as NVD updates the record.