CVE intelligence and bounded remediation

CVE-2021-43774 — A risky-algorithm issue was discovered on Fujifilm DocuCentre-VI C4471 1.8 devices

Medium CVSS 4.9

A risky-algorithm issue was discovered on Fujifilm DocuCentre-VI C4471 1.8 devices. An attacker that obtained access to the administrative web interface of a printer (e.g., by using the default credentials) can download the address book file, which contains the list of users (domain users, FTP users, etc.) stored on the printer, together with their encrypted passwords. The passwords are protected by a weak cipher, such as ROT13, which requires minimal effort to instantly retrieve the original password, giving the attacker a list of valid domain or FTP usernames and passwords.

Severity
Medium
CVSS
4.9 (3.1)
Published
2022-03-03
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-327

Affected products

  • fujifilm / apeosport-iv_7080_firmware
  • fujifilm / apeosport-iv_6080_firmware
  • fujifilm / apeosport-iv_5080_firmware
  • fujifilm / apeosport-iv_3065_firmware
  • fujifilm / apeosport-iv_3060_firmware
  • fujifilm / apeosport-iv_2060_firmware

Showing 6 representative product identities from 160 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

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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