SB2020031007 - Denial of service in SIMATIC S7-300 CPUs and SINUMERIK 840D sl
Published: March 10, 2020
Security Bulletin ID
SB2020031007
Severity
Medium
Patch available
YES
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-2019-18336)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper resource management when processing packets sent to Port 102/TCP (Profinet). A remote attacker can send specially crafted packets, trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.