SB2020041517 - Denial of service in Siemens SCALANCE and SIMATIC
Published: April 15, 2020
Security Bulletin ID
SB2020041517
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2019-19301)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the VxWorks-based Profinet TCP stack can be forced to make resource-intense calls for every incoming packet. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.