CVE-2021-27387 : Vulnerability Insights and Analysis
Important details about CVE-2021-27387 affecting Simcenter Femap 2020.2 and 2021.1 versions, allowing code execution. Learn about the impact, vulnerability description, affected systems, and mitigation steps.
A vulnerability has been identified in Simcenter Femap 2020.2 and 2021.1 versions, allowing an attacker to execute arbitrary code by leveraging the flaw in the femap.exe application.
Understanding CVE-2021-27387
This CVE pertains to a vulnerability in Siemens' Simcenter Femap software that could result in code execution by exploiting a validation issue in FEMAP files.
What is CVE-2021-27387?
CVE-2021-27387 relates to a specific vulnerability in Simcenter Femap versions 2020.2 and 2021.1, where the femap.exe application fails to adequately validate user-supplied data when processing FEMAP files. This lapse in validation may lead to an out-of-bounds write beyond the allocated structure's end.
The Impact of CVE-2021-27387
This vulnerability allows an attacker to potentially execute malicious code within the context of the current process, posing a significant security risk to affected systems.
Technical Details of CVE-2021-27387
This section outlines the specifics of the vulnerability for a better understanding of the issue.
Vulnerability Description
The vulnerability in Simcenter Femap versions 2020.2 and 2021.1 enables an attacker to exploit improper data validation by the femap.exe application, potentially leading to arbitrary code execution.
Affected Systems and Versions
The affected versions include Simcenter Femap 2020.2 (All versions < V2020.2.MP3) and Simcenter Femap 2021.1 (All versions < V2021.1.MP3) from Siemens.
Exploitation Mechanism
By manipulating user-supplied data within FEMAP files, threat actors can trigger an out-of-bounds write past the allocated structure's limits, paving the way for unauthorized code execution.
Mitigation and Prevention
To safeguard systems against CVE-2021-27387, immediate action and long-term security practices are crucial.
Immediate Steps to Take
Users are advised to apply the necessary security updates promptly and monitor for any unusual activities that may indicate exploitation of the vulnerability.
Long-Term Security Practices
Implementing robust input validation mechanisms, conducting security assessments regularly, and staying updated with patches are fundamental in fortifying systems.
Patching and Updates
Siemens has released patches for Simcenter Femap 2020.2 (V2020.2.MP3) and 2021.1 (V2021.1.MP3) to address the vulnerability and enhance system security.