high
8.8
CWE
787
Advisory Published
Updated
Advisory Published

CVE-2021-31343: Siemens Solid Edge Viewer DFT File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

First published: Tue Jun 08 2021(Updated: )

The jutil.dll library in all versions of Solid Edge SE2020 before 2020MP14 and all versions of Solid Edge SE2021 before SE2021MP5 lack proper validation of user-supplied data when parsing DFT files. This could result in an out-of-bounds write past the end of an allocation structure. An attacker could leverage this vulnerability to execute code in the context of the current process.

Credit: productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
Siemens Solid Edge Se2020 Firmware<2020mp14
Siemens Solid Edge Viewer
Siemens Solid Edge Se2021 Firmware<se2021mp5
Siemens Solid Edge Se2021
Siemens Solid Edge SE2020 – All versions before 2020MP14
Siemens Solid Edge SE2021 – All versions before SE2021MP5

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-31343?

    CVE-2021-31343 is a vulnerability in Siemens Solid Edge Viewer that allows remote attackers to execute arbitrary code on affected installations.

  • How can CVE-2021-31343 be exploited?

    To exploit CVE-2021-31343, the target must visit a malicious page or open a malicious file.

  • Is user interaction required to exploit CVE-2021-31343?

    Yes, user interaction is required to exploit CVE-2021-31343.

  • What is the severity of CVE-2021-31343?

    CVE-2021-31343 has a severity rating of 8.8 (high).

  • Where can I find more information about CVE-2021-31343?

    More information about CVE-2021-31343 can be found in the following references: - [Siemens ProductCERT Advisory](https://cert-portal.siemens.com/productcert/pdf/ssa-208356.pdf) - [Zero Day Initiative Advisory](https://www.zerodayinitiative.com/advisories/ZDI-21-999/) - [CISA Advisory](https://us-cert.cisa.gov/ics/advisories/icsa-21-159-09)

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