SB2021051311 - Denial of service in Siemens SCALANCE XM-400 and XR-500 Devices



SB2021051311 - Denial of service in Siemens SCALANCE XM-400 and XR-500 Devices

Published: May 13, 2021

Security Bulletin ID SB2021051311
Severity
Medium
Patch available
YES
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 security vulnerability.


1) Incorrect calculation (CVE-ID: CVE-2020-28393)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect calculation issue. A remote attacker can send a specially crafted OSPF packet and cause a denial of service condition.


Remediation

Install update from vendor's website.