What is the severity of CVE-2021-34321?

CVE-2021-34321 is classified as a high-severity vulnerability due to its potential for exploitation through improper data validation.

How do I fix CVE-2021-34321?

To fix CVE-2021-34321, upgrade to Siemens JT2Go or Teamcenter Visualization version 13.2 or later.

What applications are affected by CVE-2021-34321?

CVE-2021-34321 affects all versions of Siemens JT2Go and Teamcenter Visualization prior to version 13.2.

What type of vulnerability is CVE-2021-34321?

CVE-2021-34321 is a vulnerability related to an out of bounds read caused by inadequate validation of user-supplied data.

Can CVE-2021-34321 be exploited remotely?

Yes, CVE-2021-34321 can potentially be exploited remotely if a user opens a specially crafted J2K file.

Vulnerability/
CVE-2021-34321

medium

5.5

CWE

125 126

13/7/2021

4/8/2024

CVE-2021-34321: Siemens JT2Go J2K 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 VisDraw.dll library in affected applications lacks proper validation of user-supplied data when parsing J2K 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-13414)

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-2021-34321?
CVE-2021-34321 is classified as a high-severity vulnerability due to its potential for exploitation through improper data validation.
How do I fix CVE-2021-34321?
To fix CVE-2021-34321, upgrade to Siemens JT2Go or Teamcenter Visualization version 13.2 or later.
What applications are affected by CVE-2021-34321?
CVE-2021-34321 affects all versions of Siemens JT2Go and Teamcenter Visualization prior to version 13.2.
What type of vulnerability is CVE-2021-34321?
CVE-2021-34321 is a vulnerability related to an out of bounds read caused by inadequate validation of user-supplied data.
Can CVE-2021-34321 be exploited remotely?
Yes, CVE-2021-34321 can potentially be exploited remotely if a user opens a specially crafted J2K file.

collector/nvd-index
agent/weakness
agent/type
collector/mitre-cve
source/MITRE
agent/severity
agent/references
agent/title
agent/author
agent/last-modified-date
agent/description
agent/first-publish-date
collector/ics-cert-advisory
source/ICS
agent/software-canonical-lookup
agent/softwarecombine
collector/zdi-advisory
source/ZDI
alias/ZDI-21-858
alias/ZDI-CAN-13414
alias/CVE-2021-34321
agent/event
agent/trending
agent/tags
agent/source
vendor/siemens
canonical/siemens jt2go
canonical/siemens teamcenter visualization

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Frequently Asked Questions

What is the severity of CVE-2021-34321?
CVE-2021-34321 is classified as a high-severity vulnerability due to its potential for exploitation through improper data validation.
How do I fix CVE-2021-34321?
To fix CVE-2021-34321, upgrade to Siemens JT2Go or Teamcenter Visualization version 13.2 or later.
What applications are affected by CVE-2021-34321?
CVE-2021-34321 affects all versions of Siemens JT2Go and Teamcenter Visualization prior to version 13.2.
What type of vulnerability is CVE-2021-34321?
CVE-2021-34321 is a vulnerability related to an out of bounds read caused by inadequate validation of user-supplied data.
Can CVE-2021-34321 be exploited remotely?
Yes, CVE-2021-34321 can potentially be exploited remotely if a user opens a specially crafted J2K file.