7.8
CWE
754
Advisory Published
Updated
Advisory Published

CVE-2021-32946: Siemens JT2Go DGN File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

First published: Thu Jun 17 2021(Updated: )

An improper check for unusual or exceptional conditions issue exists within the parsing DGN files from Drawings SDK (Version 2022.4 and prior) resulting from the lack of proper validation of the user-supplied data. This may result in several of out-of-bounds problems and allow attackers to cause a denial-of-service condition or execute code in the context of the current process.

Credit: ics-cert@hq.dhs.gov

Affected SoftwareAffected VersionHow to fix
Opendesign Drawings Sdk<=2022.4
Siemens COMOS<10.4.1
Siemens JT2Go<13.2.0.2
Siemens Teamcenter Visualization<13.2.0.2
Siemens JT2Go
Open Design Alliance Drawings SDK<2022.4
2022.4
Open Design Alliance Drawing SDK: Version 2022.4 is affected by CVE-2021-32946 and CVE-2021-32952
Siemens JT2Go<13.2.0.2
13.2.0.2
Siemens Teamcenter Visualization<13.2.0.2
13.2.0.2

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-32946?

    CVE-2021-32946 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Siemens JT2Go. User interaction is required to exploit this vulnerability.

  • How can this vulnerability be exploited?

    This vulnerability can be exploited by visiting a malicious page or opening a malicious file.

  • What is the severity of CVE-2021-32946?

    The severity of CVE-2021-32946 is high with a CVSS score of 7.8.

  • Which software products are affected by CVE-2021-32946?

    Siemens JT2Go, Opendesign Drawings Sdk, Siemens COMOS, and Siemens Teamcenter Visualization are affected by CVE-2021-32946.

  • Where can I find more information about CVE-2021-32946?

    You can find more information about CVE-2021-32946 in the references provided: [reference1](https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf), [reference2](https://cert-portal.siemens.com/productcert/pdf/ssa-938030.pdf), [reference3](https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02).

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