CVE-2019-13940 
A vulnerability has been identified in SIMATIC ET 200pro IM154-8 PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200pro IM154-8F PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200pro IM154-8FX PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200S IM151-8 PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200S IM151-8F PN/DP CPU (All versions < V3.X.17), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.1), SIMATIC S7-300 CPU 314C-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 315-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 315F-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 315T-3 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 317-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 317F-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 317T-3 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 317TF-3 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 319-3 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 319F-3 PN/DP (All versions < V3.X.17), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC WinAC RTX 2010 (All versions), SIMATIC WinAC RTX F 2010 (All versions), SIPLUS ET 200S IM151-8 PN/DP CPU (All versions < V3.X.17), SIPLUS ET 200S IM151-8F PN/DP CPU (All versions < V3.X.17), SIPLUS S7-300 CPU 314C-2 PN/DP (All versions < V3.X.17), SIPLUS S7-300 CPU 315-2 PN/DP (All versions < V3.X.17), SIPLUS S7-300 CPU 315F-2 PN/DP (All versions < V3.X.17), SIPLUS S7-300 CPU 317-2 PN/DP (All versions < V3.X.17), SIPLUS S7-300 CPU 317F-2 PN/DP (All versions < V3.X.17). Affected devices contain a vulnerability that could cause a denial of service condition of the web server
by sending specially crafted HTTP requests to ports 80/tcp and 443/tcp.

Beyond the web service, no other functions or interfaces are affected by the denial of service condition.
Problem types: cwe_id: CWE-400
description: CWE-400: Uncontrolled Resource Consumption
Affected products: vendor: Siemens
product: SIMATIC ET 200pro IM154-8 PN/DP CPU
default_status: unknown
vendor: Siemens
product: SIMATIC ET 200pro IM154-8F PN/DP CPU
default_status: unknown
vendor: Siemens
product: SIMATIC ET 200pro IM154-8FX PN/DP CPU
default_status: unknown
vendor: Siemens
product: SIMATIC ET 200S IM151-8 PN/DP CPU
default_status: unknown
vendor: Siemens
product: SIMATIC ET 200S IM151-8F PN/DP CPU
default_status: unknown
vendor: Siemens
product: SIMATIC S7-1200 CPU family (incl. SIPLUS variants)
default_status: unknown
vendor: Siemens
product: SIMATIC S7-300 CPU 314C-2 PN/DP
default_status: unknown
vendor: Siemens
product: SIMATIC S7-300 CPU 315-2 PN/DP
default_status: unknown
vendor: Siemens
product: SIMATIC S7-300 CPU 315F-2 PN/DP
default_status: unknown
vendor: Siemens
product: SIMATIC S7-300 CPU 315T-3 PN/DP
default_status: unknown
vendor: Siemens
product: SIMATIC S7-300 CPU 317-2 PN/DP
default_status: unknown
vendor: Siemens
product: SIMATIC S7-300 CPU 317F-2 PN/DP
default_status: unknown
vendor: Siemens
product: SIMATIC S7-300 CPU 317T-3 PN/DP
default_status: unknown
vendor: Siemens
product: SIMATIC S7-300 CPU 317TF-3 PN/DP
default_status: unknown
vendor: Siemens
product: SIMATIC S7-300 CPU 319-3 PN/DP
default_status: unknown
vendor: Siemens
product: SIMATIC S7-300 CPU 319F-3 PN/DP
default_status: unknown
vendor: Siemens
product: SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants)
default_status: unknown
vendor: Siemens
product: SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants)
default_status: unknown
vendor: Siemens
product: SIMATIC WinAC RTX 2010
default_status: unknown
vendor: Siemens
product: SIMATIC WinAC RTX F 2010
default_status: unknown
vendor: Siemens
product: SIPLUS ET 200S IM151-8 PN/DP CPU
default_status: unknown
vendor: Siemens
product: SIPLUS ET 200S IM151-8F PN/DP CPU
default_status: unknown
vendor: Siemens
product: SIPLUS S7-300 CPU 314C-2 PN/DP
default_status: unknown
vendor: Siemens
product: SIPLUS S7-300 CPU 315-2 PN/DP
default_status: unknown
vendor: Siemens
product: SIPLUS S7-300 CPU 315F-2 PN/DP
default_status: unknown
vendor: Siemens
product: SIPLUS S7-300 CPU 317-2 PN/DP
default_status: unknown
vendor: Siemens
product: SIPLUS S7-300 CPU 317F-2 PN/DP
default_status: unknown
CVSS v3.1: version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
baseScore: 5.3
baseSeverity: MEDIUM
Published: 2020-02-11T15:36:10.000Z