CVE-2020-15786

9.8 CRITICAL

A vulnerability has been identified in SIMATIC HMI Basic Panels 2nd Generation (incl

Published: 2020-09-09 · Last updated: 2026-06-02

Severity and scoring

CVSS: 9.8 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-307

Affected products

Vendor	Product
siemens	simatic_hmi_basic_panels_2nd_generation_firmware, simatic_hmi_comfort_panels_firmware, simatic_hmi_mobile_panels_firmware

Description

A vulnerability has been identified in SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants) (All versions < V16), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions <= V16), SIMATIC HMI Mobile Panels (All versions <= V16), SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently block excessive authentication attempts. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2020-15786
[Vendor advisory]https://cert-portal.siemens.com/productcert/pdf/ssa-542525.pdf
[Vendor advisory]https://cert-portal.siemens.com/productcert/pdf/ssa-542525.pdf

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