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MEDIUM · 5.3

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 CP...

Vulnerability Description

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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
SiemensS7-1200 Cpu 1211C Firmware< 4.1
SiemensS7-1200 Cpu 1211C-
SiemensS7-1200 Cpu 1212C Firmware< 4.1
SiemensS7-1200 Cpu 1212C-
SiemensS7-1200 Cpu 1214C Firmware< 4.1
SiemensS7-1200 Cpu 1214C-
SiemensS7-1200 Cpu 1215C Firmware< 4.1
SiemensS7-1200 Cpu 1215C-
SiemensS7-1200 Cpu 1217C Firmware< 4.1
SiemensS7-1200 Cpu 1217C-
SiemensS7-1200 Cpu 1212Fc Firmware< 4.1
SiemensS7-1200 Cpu 1212Fc-
SiemensS7-1200 Cpu 1214Fc Firmware< 4.1
SiemensS7-1200 Cpu 1214Fc-
SiemensS7-1200 Cpu 1215Fc Firmware< 4.1
SiemensS7-1200 Cpu 1215Fc-
SiemensSiplus S7-1200 Firmware< 4.1
SiemensSiplus S7-1200-
SiemensSiplus Cpu 1211C Firmware< 4.1
SiemensSiplus Cpu 1211C-

Related Weaknesses (CWE)

CWE-400

References

FAQ

What is CVE-2019-13940?

CVE-2019-13940 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 CP...

How severe is CVE-2019-13940?

CVE-2019-13940 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-13940?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens S7-1200 Cpu 1211C Firmware, Siemens S7-1200 Cpu 1211C, Siemens S7-1200 Cpu 1212C Firmware, Siemens S7-1200 Cpu 1212C, Siemens S7-1200 Cpu 1214C Firmware.