CVE-2020-7587 : Vulnerability Insights and Analysis
Learn about CVE-2020-7587 affecting Siemens products, leading to partial remote denial-of-service and information leakage. Find mitigation steps and affected versions here.
A vulnerability has been identified in multiple Siemens products, potentially leading to a partial remote denial-of-service and information leakage.
Understanding CVE-2020-7587
What is CVE-2020-7587?
The CVE-2020-7587 vulnerability affects various Siemens products, allowing an attacker to trigger a partial remote denial-of-service and potentially leak information from the affected service.
The Impact of CVE-2020-7587
The vulnerability could result in a partial remote denial-of-service, causing the service to restart itself. In some instances, it may lead to the leakage of random information from the remote service.
Technical Details of CVE-2020-7587
Vulnerability Description
Sending multiple specially crafted packets to the affected service could exploit the vulnerability, leading to a partial remote denial-of-service and potential information leakage.
Affected Systems and Versions
- Opcenter Execution Discrete: All versions < V3.2
- Opcenter Execution Foundation: All versions < V3.2
- Opcenter Execution Process: All versions < V3.2
- Opcenter Intelligence: All versions < V3.3
- Opcenter Quality: All versions < V11.3
- Opcenter RD&L: V8.0
- SIMATIC IT LMS: All versions < V2.6
- SIMATIC IT Production Suite: All versions < V8.0
- SIMATIC Notifier Server for Windows: All versions
- SIMATIC PCS neo: All versions < V3.0 SP1
- SIMATIC STEP 7 (TIA Portal) V15: All versions < V15.1 Update 5
- SIMATIC STEP 7 (TIA Portal) V16: All versions < V16 Update 2
- SIMOCODE ES V15.1: All versions < V15.1 Update 4
- SIMOCODE ES V16: All versions < V16 Update 1
- Soft Starter ES V15.1: All versions < V15.1 Update 3
- Soft Starter ES V16: All versions < V16 Update 1
Exploitation Mechanism
The vulnerability can be exploited by sending specially crafted packets to the affected service, triggering the denial-of-service and potential information leakage.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-supplied patches or updates to the affected products.
- Monitor network traffic for any suspicious activity targeting the vulnerable services.
- Implement network segmentation to limit the impact of potential attacks.
Long-Term Security Practices
- Regularly update and patch all software and firmware to mitigate known vulnerabilities.
- Conduct regular security assessments and penetration testing to identify and address potential weaknesses.
- Educate users and administrators about safe practices and security protocols.
Patching and Updates
- Siemens has likely released patches or updates to address the CVE-2020-7587 vulnerability. Ensure that all affected systems are promptly updated to the latest secure versions.