SB2020021401 - Denial of service in Schneider Electric Magelis HMI Panels

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Main Vulnerability Database SB2020021401

SB2020021401 - Denial of service in Schneider Electric Magelis HMI Panels

Published: February 14, 2020

Security Bulletin ID SB2020021401
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2019-6833)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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.

References