CVE-2021-46160: Siemens Simcenter Femap NEU File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Published Feb 9, 2022
·
Updated

A vulnerability has been identified in Simcenter Femap V2020.2 (All versions), Simcenter Femap V2021.1 (All versions). Affected application contains an out of bounds write past the end of an allocated structure while parsing specially crafted NEU files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-15286)

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Siemens Simcenter Femap. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of NEU files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected Software

9 affected components
Siemens Simcenter Femap=2020.2
Siemens Simcenter Femap=2020.2-maintenance_pack1
Siemens Simcenter Femap=2020.2-maintenance_pack2
Siemens Simcenter Femap=2020.2-maintenance_pack3
Siemens Simcenter Femap=2021.1
Siemens Simcenter Femap=2021.1-maintenance_pack1
Siemens Simcenter Femap=2021.1-maintenance_pack2
Siemens Simcenter Femap=2021.1-maintenance_pack3
Siemens Simcenter Femap

Event History

Feb 9, 2022
CVE Published
via MITRE·03:17 PM
Data Sourced
via MITRE·03:17 PM
DescriptionWeakness
Aug 4, 2024
Advisory Published
via ZDI·05:10 AM

Frequently Asked Questions

1

What is CVE-2021-46160?

CVE-2021-46160 is a vulnerability in Siemens Simcenter Femap that allows remote attackers to execute arbitrary code.

2

How does CVE-2021-46160 work?

CVE-2021-46160 exploits a flaw in the parsing of Siemens Simcenter Femap NEU files, allowing remote code execution.

3

Is user interaction required to exploit CVE-2021-46160?

Yes, user interaction is required for the vulnerability to be exploited, such as visiting a malicious page or opening a malicious file.

4

Which versions of Siemens Simcenter Femap are affected by CVE-2021-46160?

Siemens Simcenter Femap versions 2020.2, 2020.2-maintenance_pack1, 2020.2-maintenance_pack2, 2020.2-maintenance_pack3, 2021.1, 2021.1-maintenance_pack1, 2021.1-maintenance_pack2, and 2021.1-maintenance_pack3 are affected by CVE-2021-46160.

5

What is the severity of CVE-2021-46160?

CVE-2021-46160 has a severity rating of 7.8 out of 10 (high severity).

6

How can CVE-2021-46160 be fixed?

Apply the necessary security patches or updates provided by Siemens to fix the vulnerability in affected versions of Siemens Simcenter Femap.

Contact

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