CVE-2019-10917 : Vulnerability Insights and Analysis
Discover the security flaw in SIMATIC PCS 7 and SIMATIC WinCC (TIA Portal) versions, allowing a Denial-of-Service attack with local file access. Learn about the impact, affected systems, and mitigation steps.
A security flaw has been discovered in various versions of SIMATIC PCS 7 and SIMATIC WinCC (TIA Portal) that could lead to a Denial-of-Service attack. This vulnerability requires local access to the project file for exploitation.
Understanding CVE-2019-10917
This CVE affects multiple versions of Siemens products, potentially allowing attackers to disrupt system availability.
What is CVE-2019-10917?
The vulnerability in SIMATIC PCS 7 and SIMATIC WinCC (TIA Portal) products could be exploited by attackers with local access to project files, leading to a Denial-of-Service condition during file loading.
The Impact of CVE-2019-10917
Exploiting this vulnerability could result in a disruption of the availability of the affected system. As of the advisory release, there have been no reported instances of public exploitation.
Technical Details of CVE-2019-10917
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows attackers with local access to project files to cause a Denial-of-Service condition during file loading.
Affected Systems and Versions
- SIMATIC PCS 7 V8.0 and earlier
- SIMATIC PCS 7 V8.1
- SIMATIC PCS 7 V8.2
- SIMATIC PCS 7 V9.0
- SIMATIC WinCC (TIA Portal) V13
- SIMATIC WinCC (TIA Portal) V14
- SIMATIC WinCC (TIA Portal) V15
- SIMATIC WinCC Runtime Professional V13
- SIMATIC WinCC Runtime Professional V14
- SIMATIC WinCC Runtime Professional V15
- SIMATIC WinCC V7.2 and earlier
- SIMATIC WinCC V7.3
- SIMATIC WinCC V7.4
- SIMATIC WinCC V7.5
Exploitation Mechanism
The attacker needs local access to the project file to exploit the vulnerability, causing a Denial-of-Service condition during file loading.
Mitigation and Prevention
Protecting systems from CVE-2019-10917 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Monitor and restrict access to project files to authorized personnel only.
- Implement network segmentation to limit the impact of potential attacks.
Long-Term Security Practices
- Regularly update and patch affected systems to mitigate known vulnerabilities.
- Conduct security training for employees to raise awareness of potential threats.
Patching and Updates
Apply the latest patches and updates provided by Siemens to address the vulnerability and enhance system security.