CVE-2021-45460 : What You Need to Know

A vulnerability has been found in SICAM PQ Analyzer software versions prior to V3.18, allowing attackers to execute unauthorized code and potentially disrupt services.

Understanding CVE-2021-45460

This CVE involves a security flaw in the Siemens' SICAM PQ Analyzer software.

What is CVE-2021-45460?

The vulnerability in SICAM PQ Analyzer (versions < V3.18) allows attackers to operate with elevated permissions, possibly leading to system compromise and service denial.

The Impact of CVE-2021-45460

Attackers exploiting this vulnerability can establish persistent unauthorized access, introduce backdoors, or cause service disruption.

Technical Details of CVE-2021-45460

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

A service within SICAM PQ Analyzer is initiated by an unquoted registry entry, enabling attackers to run malicious executables in place of legitimate processes.

Affected Systems and Versions

Product: SICAM PQ Analyzer
Vendor: Siemens
Affected Versions: All versions < V3.18

Exploitation Mechanism

Attackers with write privileges in directories with spaces in their paths can plant executables to substitute legitimate processes.

Mitigation and Prevention

Protect your systems from the CVE-2021-45460 vulnerability using the following strategies.

Immediate Steps to Take

Update the SICAM PQ Analyzer software to version V3.18 or above.
Restrict write permissions to critical directories to prevent unauthorized executable planting.

Long-Term Security Practices

Conduct regular security assessments to identify and address similar vulnerabilities.
Implement proper directory permission settings to minimize the risk of unauthorized access.

Patching and Updates

Stay vigilant for updates and patches released by Siemens to address this vulnerability.