CVE-2019-18336 Information
Share on:Description
A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions V3.X.17) SIMATIC TDC CP51M1 (All versions V1.1.8) SIMATIC TDC CPU555 (All versions V1.1.1) SINUMERIK 840D sl (All versions V4.8.6) SINUMERIK 840D sl (All versions V4.94). Specially crafted packets sent to port 102/tcp (Profinet) could cause the affected device to go into defect mode. A restart is required in order to recover the system. Successful exploitation requires an attacker to have network access to port 102/tcp with no authentication. No user interation is required. At the time of advisory publication no public exploitation of this security vulnerability was known.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Reference
https://cert-portal.siemens.com/productcert/pdf/ssa-508982.pdf
Attack Complexity
LOW
Privileges Required
NONE
User Interaction Required
NONE
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
NONE
Availability Impact
NONE
Base Score
HIGH
Base Severity
7.5