SB2020021401 - Denial of service in Schneider Electric Magelis HMI Panels
Published: February 14, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2019-6833)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the HMI may temporarily freeze when the device receives a high rate of frames. When the attack stops, the buffered commands are processed by the HMI. A remote attacker can cause a denial of service condition on the target system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.