high
7.8
CWE
822
Advisory Published
Updated
Advisory Published

CVE-2021-27496: (0Day) Siemens Solid Edge Viewer PRT File Parsing Untrusted Pointer Dereference Remote Code Execution Vulnerability

First published: Thu May 27 2021(Updated: )

Datakit Software libraries CatiaV5_3dRead, CatiaV6_3dRead, Step3dRead, Ug3dReadPsr, Jt3dReadPsr modules in KeyShot Versions v10.1 and prior lack proper validation of user-supplied data when parsing PRT files. This could lead to pointer dereferences of a value obtained from an untrusted source. An attacker could leverage this vulnerability to execute code in the context of the current process.

Credit: ics-cert@hq.dhs.gov

Affected SoftwareAffected VersionHow to fix
Siemens Solid Edge Viewer
Datakit CatiaV5 3D Read
Datakit CatiaV6 3D Read
Datakit Step3dRead
Datakit Ug3dReadPsr
Datakit JT3D Read PSR
Datakit CrossCAD/Ware<=2021.1
Luxion KeyShot Network Rendering<=10.1
Siemens Solid Edge SE2020
Siemens Solid Edge
Siemens Solid Edge SE2021
Siemens Solid Edge

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-27496?

    CVE-2021-27496 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Siemens Solid Edge Viewer.

  • 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-2021-27496?

    The severity of CVE-2021-27496 is high with a CVSS score of 7.8.

  • Which software is affected by CVE-2021-27496?

    Siemens Solid Edge Viewer versions up to and including 2021.1 are affected, as well as Luxion KeyShot version up to and including 10.1.

  • How can I mitigate CVE-2021-27496?

    To mitigate CVE-2021-27496, users should update Siemens Solid Edge Viewer to a version beyond 2021.1 or Luxion KeyShot to a version beyond 10.1.

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