Vulnerability Monitor

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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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.3, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and limited availability for affected systems. Impacting 47 products from siemens, from siemens, from siemens and 44 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-02-11T16:15:14.773

Last Modified

2024-11-21T04:25:44.283

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-400
Type: Secondary
CWE-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	siemens	s7-1200_cpu_1211c_firmware	< 4.1	Yes
Hardware	siemens	s7-1200_cpu_1211c	-	No
Operating System	siemens	s7-1200_cpu_1212c_firmware	< 4.1	Yes
Hardware	siemens	s7-1200_cpu_1212c	-	No
Operating System	siemens	s7-1200_cpu_1214c_firmware	< 4.1	Yes
Hardware	siemens	s7-1200_cpu_1214c	-	No
Operating System	siemens	s7-1200_cpu_1215c_firmware	< 4.1	Yes
Hardware	siemens	s7-1200_cpu_1215c	-	No
Operating System	siemens	s7-1200_cpu_1217c_firmware	< 4.1	Yes
Hardware	siemens	s7-1200_cpu_1217c	-	No
Operating System	siemens	s7-1200_cpu_1212fc_firmware	< 4.1	Yes
Hardware	siemens	s7-1200_cpu_1212fc	-	No
Operating System	siemens	s7-1200_cpu_1214fc_firmware	< 4.1	Yes
Hardware	siemens	s7-1200_cpu_1214fc	-	No
Operating System	siemens	s7-1200_cpu_1215fc_firmware	< 4.1	Yes
Hardware	siemens	s7-1200_cpu_1215fc	-	No
Operating System	siemens	siplus_s7-1200_firmware	< 4.1	Yes
Hardware	siemens	siplus_s7-1200	-	No
Operating System	siemens	siplus_cpu_1211c_firmware	< 4.1	Yes
Hardware	siemens	siplus_cpu_1211c	-	No
Operating System	siemens	siplus_cpu_1212c_firmware	< 4.1	Yes
Hardware	siemens	siplus_cpu_1212c	-	No
Operating System	siemens	siplus_cpu_1214c_firmware	≤ 4.1	Yes
Hardware	siemens	siplus_cpu_1214c	-	No
Operating System	siemens	siplus_cpu_1215c_firmware	< 4.1	Yes
Hardware	siemens	siplus_cpu_1215c	-	No
Operating System	siemens	simatic_s7-300_cpu_319-3_pn\/dp_firmware	*	Yes
Hardware	siemens	simatic_s7-300_cpu_319-3_pn\/dp	-	No
Operating System	siemens	simatic_s7-300_cpu_315-2dp_firmware	*	Yes
Hardware	siemens	simatic_s7-300_cpu_315-2dp	-	No
Operating System	siemens	simatic_s7-300_cpu_315-2_pn\/dp_firmware	*	Yes
Hardware	siemens	simatic_s7-300_cpu_315-2_pn\/dp	-	No
Operating System	siemens	simatic_s7-300_cpu_317-2_dp_firmware	*	Yes
Hardware	siemens	simatic_s7-300_cpu_317-2_dp	-	No
Operating System	siemens	simatic_s7-300_cpu_317-2_pn\/dp_firmware	*	Yes
Hardware	siemens	simatic_s7-300_cpu_317-2_pn\/dp	-	No
Operating System	siemens	simatic_s7-300_cpu_319-3_pn\/dp_firmware	*	Yes
Hardware	siemens	simatic_s7-300_cpu_319-3_pn\/dp	-	No
Operating System	siemens	siplus_s7-300_cpu_314_firmware	*	Yes
Hardware	siemens	siplus_s7-300_cpu_314	-	No
Operating System	siemens	siplus_s7-300_cpu_315-2_dp_firmware	*	Yes
Hardware	siemens	siplus_s7-300_cpu_315-2_dp	-	No
Operating System	siemens	siplus_s7-300_cpu_315-2_pn\/dp_firmware	*	Yes
Hardware	siemens	siplus_s7-300_cpu_315-2_pn\/dp	-	No
Operating System	siemens	siplus_s7-300_cpu_317-2_pn\/dp_firmware	*	Yes
Hardware	siemens	siplus_s7-300_cpu_317-2_pn\/dp	v6	No
Operating System	siemens	simatic_s7-400_pn\/dp_cpu_firmware	*	Yes
Hardware	siemens	simatic_s7-400_pn\/dp_cpu	v7	No
Application	siemens	simatic_winac_rtx_\(f\)_2010	*	Yes

References

https://cert-portal.siemens.com/productcert/pdf/ssa-431678.pdf Vendor Advisory ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-431678.pdf Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For siemens's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.