CVE-2020-25245 : What You Need to Know

A vulnerability has been identified in DIGSI 4 (All versions < V4.94 SP1 HF 1) that allows normal users to write to certain folders in the system path, potentially enabling an attacker to execute code with SYSTEM privileges.

Understanding CVE-2020-25245

This CVE pertains to a security issue in Siemens' DIGSI 4 software.

What is CVE-2020-25245?

The vulnerability in DIGSI 4 allows attackers to place malicious dlls in specific folders accessible to normal users, leading to potential code execution with elevated privileges.

The Impact of CVE-2020-25245

The vulnerability poses a significant risk as it enables unauthorized code execution with SYSTEM-level permissions, potentially leading to system compromise.

Technical Details of CVE-2020-25245

Siemens' DIGSI 4 software is affected by this vulnerability.

Vulnerability Description

The flaw allows normal users to write to folders in the system path, enabling attackers to place malicious dlls for code execution with elevated privileges.

Affected Systems and Versions

Product: DIGSI 4
Vendor: Siemens
Versions Affected: All versions < V4.94 SP1 HF 1

Exploitation Mechanism

Attackers can exploit this vulnerability by placing malicious dlls in accessible folders, which are then executed with SYSTEM privileges.

Mitigation and Prevention

To address CVE-2020-25245, follow these steps:

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Restrict access to vulnerable folders to authorized users only.
Monitor system folders for unauthorized changes.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Implement the principle of least privilege to restrict user access rights.
Conduct regular security assessments and audits to identify and address potential risks.

Patching and Updates

Siemens may have released patches or updates to address this vulnerability. Ensure to apply them as soon as possible.