CVE-2020-15791EPSS p48.7%

CVE-2020-15791CVE-2020-15791

siemens / simatic_s7-300_cpu_312_firmware

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.

Scoring

CVSS 6.5 ()
VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS0.71% probability of exploitation · percentile 48.7% · 2026-06-18T12:00:27Z
Last modified2026-06-02

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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CVE-2016-9159
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CVE-2020-15783
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CVE-2020-15782
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CVE-2019-18336
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CVE-2020-15798
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CVE-2020-15786
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.