CVE-2021-41535 : What You Need to Know

A vulnerability has been identified in Siemens' NX 1953 Series, NX 1980 Series, and Solid Edge SE2021, allowing an attacker to execute arbitrary code via a use-after-free vulnerability in parsing OBJ files.

Understanding CVE-2021-41535

Siemens' products, NX 1953 Series, NX 1980 Series, and Solid Edge SE2021, are susceptible to a use-after-free vulnerability when handling OBJ files, potentially enabling code execution.

What is CVE-2021-41535?

This CVE describes a use-after-free vulnerability in Siemens' NX 1953 Series, NX 1980 Series, and Solid Edge SE2021, which could be exploited by an attacker to run malicious code within the current process.

The Impact of CVE-2021-41535

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on vulnerable systems.

Technical Details of CVE-2021-41535

Siemens' products NX 1953 Series, NX 1980 Series, and Solid Edge SE2021 are affected by a critical vulnerability.

Vulnerability Description

The vulnerability is caused by a use-after-free issue present in the processing of OBJ files in Siemens' affected products.

Affected Systems and Versions

NX 1953 Series: All versions prior to V1973.3700
NX 1980 Series: All versions prior to V1988
Solid Edge SE2021: All versions prior to SE2021MP8

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious OBJ files to trigger the use-after-free condition and execute unauthorized code.

Mitigation and Prevention

Immediate actions to secure your systems:

Apply vendor-provided patches immediately.
Monitor security advisories for updates from Siemens.

Long-Term Security Practices

Regularly update and patch Siemens' software.
Implement robust security measures and best practices.
Conduct regular security assessments and audits.

Patching and Updates

Siemens has released patches to address this vulnerability.