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CVE-2020-15791

nvd nist
Published: Sep 9, 2020Modified: Jun 2, 2026

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6.5
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 CPU family (incl. SIPLUS variants) (All versions), SIMATIC WinAC RTX (F) 2010 (All versions), SINUMERIK 840D sl (All versions). The authentication protocol between a client and a PLC via port 102/tcp (ISO-TSAP) insufficiently protects the transmitted password. This could allow an attacker that is able to intercept the network traffic to obtain valid PLC credentials.

Affected (14)

14 products
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 300 Cpu 312
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 300 Cpu 314
All versions
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 300 Cpu 315 2 Dp
All versions
Configuration D
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 300 Cpu 315 2 Pn
All versions
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 300 Cpu 317 2 Pn
All versions
Configuration F
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 300 Cpu 317 2 Dp
All versions
Configuration G
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 300 Cpu 315f 2 Dp
All versions
Configuration H
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 300 Cpu 315f 2 Pn
All versions
Configuration I
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 300 Cpu 317f 2 Pn
All versions
Configuration J
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 300 Cpu 317f 2 Dp
All versions
Configuration K
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 400 Cpu 412
All versions
Configuration L
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 400 Cpu 414
All versions
Configuration M
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 400 Cpu 416
All versions
Configuration N
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
All versions
Running on/withPlatform Versions
Siemens
Simatic S7 400 Cpu 417
All versions

References (2)

Source: productcert@siemens.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.