What is the severity of CVE-2021-44439?

The severity of CVE-2021-44439 is high (7.8).

What is the affected software of CVE-2021-44439?

The affected software of CVE-2021-44439 is Siemens JT Utilities (All versions < V13.1.1.0) and Siemens JTTK (All versions < V11.1.1.0).

How does CVE-2021-44439 impact the affected software?

CVE-2021-44439 is a vulnerability in the JTTK library of the affected software that allows for an out of bounds read past the end of an allocated buffer when parsing specially crafted JT files.

How can an attacker exploit CVE-2021-44439?

An attacker can leverage CVE-2021-44439 to exploit the vulnerability in the JTTK library of the affected software by providing specially crafted JT files.

Where can I find more information about CVE-2021-44439?

More information about CVE-2021-44439 can be found at the following reference: [Link to Siemens ProductCERT](https://cert-portal.siemens.com/productcert/pdf/ssa-802578.pdf).

Vulnerability/
CVE-2021-44439

high

7.8

CWE

125

14/12/2021

CVE-2021-44439

Q: How does CVE-2021-44439 impact the affected software?

CVE-2021-44439 is a vulnerability in the JTTK library of the affected software that allows for an out of bounds read past the end of an allocated buffer when parsing specially crafted JT files.

Q: How can an attacker exploit CVE-2021-44439?

An attacker can leverage CVE-2021-44439 to exploit the vulnerability in the JTTK library of the affected software by providing specially crafted JT files.

Q: Where can I find more information about CVE-2021-44439?

More information about CVE-2021-44439 can be found at the following reference: [Link to Siemens ProductCERT](https://cert-portal.siemens.com/productcert/pdf/ssa-802578.pdf).

First published: Tue Dec 14 2021(Updated: )

A 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 vulnerable to an out of bounds read past the end of an allocated buffer when parsing specially crafted JT files. An attacker could leverage this vulnerability to leak information in the context of the current process. (ZDI-CAN-14908)

Credit: productcert@siemens.com

Affected Software	Affected Version	How to fix
Siemens Jt Open Toolkit	<11.1.1.0
Siemens Jt Utilities	<13.1.1.0

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Reference Links

https://cert-portal.siemens.com/productcert/pdf/ssa-802578.pdf

Frequently Asked Questions

What is the severity of CVE-2021-44439?
The severity of CVE-2021-44439 is high (7.8).
What is the affected software of CVE-2021-44439?
The affected software of CVE-2021-44439 is Siemens JT Utilities (All versions < V13.1.1.0) and Siemens JTTK (All versions < V11.1.1.0).
How does CVE-2021-44439 impact the affected software?
CVE-2021-44439 is a vulnerability in the JTTK library of the affected software that allows for an out of bounds read past the end of an allocated buffer when parsing specially crafted JT files.
How can an attacker exploit CVE-2021-44439?
An attacker can leverage CVE-2021-44439 to exploit the vulnerability in the JTTK library of the affected software by providing specially crafted JT files.
Where can I find more information about CVE-2021-44439?
More information about CVE-2021-44439 can be found at the following reference: [Link to Siemens ProductCERT](https://cert-portal.siemens.com/productcert/pdf/ssa-802578.pdf).

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agent/references
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agent/severity
agent/type
agent/description
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agent/first-publish-date
agent/last-modified-date
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vendor/siemens
canonical/siemens jt open toolkit
canonical/siemens jt utilities

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