SB2020021207 - Denial of service in Siemens SIMATIC S7



SB2020021207 - Denial of service in Siemens SIMATIC S7

Published: February 12, 2020

Security Bulletin ID SB2020021207
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) Resource exhaustion (CVE-ID: CVE-2019-13940)

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

The vulnerability exists due to uncontrolled resource consumption. A remote attacker can send a specially crafted HTTP request to Ports 80/TCP and 443/TCP, trigger resource exhaustion and perform a denial of service (DoS) attack on the web server.


Remediation

Install update from vendor's website.