CVE-2021-46156: Siemens Simcenter Femap NEU File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
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-14684)
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
Event History
Frequently Asked Questions
What is the vulnerability ID for this Siemens Simcenter Femap vulnerability?
The vulnerability ID for this Siemens Simcenter Femap vulnerability is CVE-2021-46156.
What is the severity of CVE-2021-46156?
CVE-2021-46156 has a severity rating of 7.8 (high).
How does this vulnerability in Siemens Simcenter Femap allow remote code execution?
This vulnerability in Siemens Simcenter Femap allows remote attackers to execute arbitrary code by exploiting a flaw in the parsing of NEU files.
What versions of Siemens Simcenter Femap are affected?
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.
How can I mitigate the risk posed by CVE-2021-46156 in Siemens Simcenter Femap?
To mitigate the risk posed by CVE-2021-46156, it is recommended to update Siemens Simcenter Femap to the latest version available and follow the recommendations provided by the vendor.