CVE intelligence and bounded remediation

CVE-2023-0053 — Sauter-Controls Nova 220 Eyk220F001 Firmware security vulnerability

High CVSS 7.5

SAUTER Controls Nova 200–220 Series with firmware version 3.3-006 and prior and BACnetstac version 4.2.1 and prior have only FTP and Telnet available for device management. Any sensitive information communicated through these protocols, such as credentials, is sent in cleartext. An attacker could obtain sensitive information such as user credentials to gain access to the system.

Severity
High
CVSS
7.5 (3.1)
Published
2023-03-02
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-319

Affected products

  • sauter-controls / nova_220_eyk220f001_firmware
  • sauter-controls / nova_230_eyk230f001_firmware
  • sauter-controls / nova_106_eyk300f001_firmware
  • sauter-controls / modunet300_ey-am300f001_firmware
  • sauter-controls / modunet300_ey-am300f002_firmware
  • sauter-controls / bacnetstac

Matched remediation archetype

Cryptography, certificate, signature, and channel validation

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

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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