MEDIUM🇵🇱 Wersja polska

CVE-2020-15791

CVSS 6.5v3.1pub. 2020-09-09upd. 2026-06-02

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.

CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

  • Siemens Simatic S7 300 Cpu 312

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  • Siemens Simatic S7 300 Cpu 312 Firmware

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  • Siemens Simatic S7 300 Cpu 314

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  • Siemens Simatic S7 300 Cpu 314 Firmware

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  • Siemens Simatic S7 300 Cpu 315 2 Dp

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  • Siemens Simatic S7 300 Cpu 315 2 Dp Firmware

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  • Siemens Simatic S7 300 Cpu 315 2 Pn

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  • Siemens Simatic S7 300 Cpu 315 2 Pn Firmware

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  • Siemens Simatic S7 300 Cpu 315f 2 Dp

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  • Siemens Simatic S7 300 Cpu 315f 2 Dp Firmware

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  • Siemens Simatic S7 300 Cpu 315f 2 Pn

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  • Siemens Simatic S7 300 Cpu 315f 2 Pn Firmware

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  • Siemens Simatic S7 300 Cpu 317 2 Dp

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  • Siemens Simatic S7 300 Cpu 317 2 Dp Firmware

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  • Siemens Simatic S7 300 Cpu 317 2 Pn

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  • Siemens Simatic S7 300 Cpu 317 2 Pn Firmware

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  • Siemens Simatic S7 300 Cpu 317f 2 Dp

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  • Siemens Simatic S7 300 Cpu 317f 2 Dp Firmware

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  • Siemens Simatic S7 300 Cpu 317f 2 Pn

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  • Siemens Simatic S7 300 Cpu 317f 2 Pn Firmware

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  • Siemens Simatic S7 400 Cpu 412

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  • Siemens Simatic S7 400 Cpu 412 Firmware

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  • Siemens Simatic S7 400 Cpu 414

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  • Siemens Simatic S7 400 Cpu 414 Firmware

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  • Siemens Simatic S7 400 Cpu 416

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  • Siemens Simatic S7 400 Cpu 416 Firmware

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  • Siemens Simatic S7 400 Cpu 417

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  • Siemens Simatic S7 400 Cpu 417 Firmware

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CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
References

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