What is the severity of CVE-2021-34320?

CVE-2021-34320 is classified as a high severity vulnerability due to the potential for out of bounds read attacks.

How do I fix CVE-2021-34320?

To fix CVE-2021-34320, update JT2Go or Teamcenter Visualization to version 13.2 or later.

What applications are affected by CVE-2021-34320?

CVE-2021-34320 affects all versions of JT2Go and Teamcenter Visualization prior to version 13.2.

What type of vulnerability is CVE-2021-34320?

CVE-2021-34320 is a memory corruption vulnerability caused by improper validation of user-supplied data in the Jt981.dll library.

Is there a known exploit for CVE-2021-34320?

As of now, there are no publicly known exploits specifically targeting CVE-2021-34320.

Vulnerability/
CVE-2021-34320

medium

5.5

CWE

125 126

13/7/2021

4/8/2024

CVE-2021-34320: Siemens JT2Go JT File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

First published: Tue Jul 13 2021(Updated: )

A vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The Jt981.dll library in affected applications lacks proper validation of user-supplied data when parsing JT files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to leak information in the context of the current process. (ZDI-CAN-13406)

Credit: productcert@siemens.com

Affected Software	Affected Version	How to fix
Siemens JT2Go	<13.2.0
Siemens Teamcenter Visualization	<13.2.0
Siemens JT2Go	<13.2	13.2
Siemens Teamcenter Visualization	<13.2	13.2

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

ICSA-21-194-15

Frequently Asked Questions

What is the severity of CVE-2021-34320?
CVE-2021-34320 is classified as a high severity vulnerability due to the potential for out of bounds read attacks.
How do I fix CVE-2021-34320?
To fix CVE-2021-34320, update JT2Go or Teamcenter Visualization to version 13.2 or later.
What applications are affected by CVE-2021-34320?
CVE-2021-34320 affects all versions of JT2Go and Teamcenter Visualization prior to version 13.2.
What type of vulnerability is CVE-2021-34320?
CVE-2021-34320 is a memory corruption vulnerability caused by improper validation of user-supplied data in the Jt981.dll library.
Is there a known exploit for CVE-2021-34320?
As of now, there are no publicly known exploits specifically targeting CVE-2021-34320.

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agent/type
collector/mitre-cve
source/MITRE
agent/severity
agent/references
agent/title
agent/author
agent/last-modified-date
agent/description
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collector/ics-cert-advisory
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agent/softwarecombine
collector/zdi-advisory
source/ZDI
alias/ZDI-21-856
alias/ZDI-CAN-13406
alias/CVE-2021-34320
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agent/trending
agent/tags
agent/source
vendor/siemens
canonical/siemens jt2go
canonical/siemens teamcenter visualization

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