CVE-2021-37203 : Security Advisory and Response
Get insights into CVE-2021-37203 affecting Siemens NX 1980 Series and Solid Edge SE2021. Learn about the out-of-bounds read vulnerability and its impact. Discover mitigation steps.
A vulnerability has been identified in NX 1980 Series and Solid Edge SE2021 that could allow an attacker to trigger a denial-of-service condition or access sensitive information. The issue lies in the plmxmlAdapterIFC.dll file, allowing an out-of-bounds read during the parsing of user-supplied IFC files.
Understanding CVE-2021-37203
This section dives deep into the nature of the vulnerability and its potential impact.
What is CVE-2021-37203?
The vulnerability in CVE-2021-37203 affects Siemens' NX 1980 Series and Solid Edge SE2021. It stems from an out-of-bounds read in the plmxmlAdapterIFC.dll file, potentially leading to denial of service or information disclosure.
The Impact of CVE-2021-37203
Exploitation of this vulnerability could allow malicious actors to cause denial-of-service conditions on affected systems or access sensitive data stored in memory.
Technical Details of CVE-2021-37203
In this section, we will explore the technical aspects of the CVE-2021-37203 vulnerability.
Vulnerability Description
The flaw arises from an out-of-bounds read in the plmxmlAdapterIFC.dll file when handling user-supplied IFC files, which may lead to unauthorized memory access.
Affected Systems and Versions
NX 1980 Series versions prior to V1984 and Solid Edge SE2021 versions before SE2021MP8 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by supplying specially crafted IFC files to trigger the out-of-bounds read and potentially disrupt services or extract sensitive information.
Mitigation and Prevention
To protect systems from CVE-2021-37203, immediate actions and long-term security practices are recommended.
Immediate Steps to Take
Users should apply the necessary patches provided by Siemens to address the vulnerability and mitigate the risk of exploitation.
Long-Term Security Practices
Regularly update software and implement security best practices to prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security updates from Siemens and promptly apply patches to secure the affected software versions.