CVE intelligence and bounded remediation

CVE-2020-7592 — A vulnerability has been identified in SIMATIC HMI Basic Panels 1st Generation (incl

Medium CVSS 6.5

A vulnerability has been identified in SIMATIC HMI Basic Panels 1st Generation (incl. SIPLUS variants) (All versions), SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants) (All versions), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions), SIMATIC HMI KTP700F Mobile Arctic (All versions), SIMATIC HMI Mobile Panels 2nd Generation (All versions), SIMATIC WinCC Runtime Advanced (All versions). Unencrypted communication between the configuration software and the respective device could allow an attacker to capture potential plain text communication and have access to sensitive information.

Severity
Medium
CVSS
6.5 (3.1)
Published
2020-07-14
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-319

Affected products

  • siemens / simatic_hmi_basic_panels_1st_generation
  • siemens / simatic_hmi_basic_panels_2nd_generation
  • siemens / simatic_wincc_runtime_advanced
  • siemens / simatic_hmi_comfort_panels_firmware
  • siemens / simatic_hmi_ktp700f_mobile_arctic_firmware
  • siemens / simatic_hmi_mobile_panels_2nd_generation_firmware

Matched remediation archetype

Cryptography, certificate, signature, and channel validation

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Check exposure

  • Inventory affected algorithms, key uses, trust stores, certificate validation settings, random sources, and plaintext channels across clients and services.
  • Determine which secrets, identities, signatures, or data protections depend on the affected primitive or validation path.
  • Check debug, compatibility, fallback, and hostname or audience override settings in build and runtime configuration.

Remediate safely

  • Use a maintained platform cryptographic API with approved algorithms, modes, parameters, randomness, and full peer identity validation.
  • Remove insecure fallback and validation bypasses; separate keys by purpose and load them from managed secret storage.
  • Plan rotation or reissuance for affected keys, certificates, tokens, hashes, or ciphertext and document compatibility sequencing.

Authoritative sources

Complete CVE record and remediation plan

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