7.5

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.

Data is provided by the National Vulnerability Database (NVD)
SiemensS7-1200 Cpu 1211c Firmware Version < 4.1
   SiemensS7-1200 Cpu 1211c Version-
SiemensS7-1200 Cpu 1212c Firmware Version < 4.1
   SiemensS7-1200 Cpu 1212c Version-
SiemensS7-1200 Cpu 1214c Firmware Version < 4.1
   SiemensS7-1200 Cpu 1214c Version-
SiemensS7-1200 Cpu 1215c Firmware Version < 4.1
   SiemensS7-1200 Cpu 1215c Version-
SiemensS7-1200 Cpu 1217c Firmware Version < 4.1
   SiemensS7-1200 Cpu 1217c Version-
SiemensS7-1200 Cpu 1212fc Firmware Version < 4.1
   SiemensS7-1200 Cpu 1212fc Version-
SiemensS7-1200 Cpu 1214fc Firmware Version < 4.1
   SiemensS7-1200 Cpu 1214fc Version-
SiemensS7-1200 Cpu 1215fc Firmware Version < 4.1
   SiemensS7-1200 Cpu 1215fc Version-
SiemensSiplus S7-1200 Firmware Version < 4.1
   SiemensSiplus S7-1200 Version-
SiemensSiplus Cpu 1211c Firmware Version < 4.1
   SiemensSiplus Cpu 1211c Version-
SiemensSiplus Cpu 1212c Firmware Version < 4.1
   SiemensSiplus Cpu 1212c Version-
SiemensSiplus Cpu 1214c Firmware Version <= 4.1
   SiemensSiplus Cpu 1214c Version-
SiemensSiplus Cpu 1215c Firmware Version < 4.1
   SiemensSiplus Cpu 1215c Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.6% 0.685
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
productcert@siemens.com 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.