CVE intelligence and bounded remediation

CVE-2019-13205 — Kyocera Ecosys M5526Cdw Firmware security vulnerability

High CVSS 7.5

All configuration parameters of certain Kyocera printers (such as the ECOSYS M5526cdw 2R7_2000.001.701) were accessible by unauthenticated users. This information was only presented in the menus when authenticated, and the pages that loaded this information were also protected. However, all files that contained the configuration parameters were accessible. These files contained sensitive information, such as users, community strings, and other passwords configured in the printer.

Severity
High
CVSS
7.5 (3.1)
Published
2020-03-13
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-306

Affected products

  • kyocera / ecosys_m5526cdw_firmware / 2r7_2000.001.701

Matched remediation archetype

Authentication bypass and missing authentication

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Check exposure

  • Map every affected endpoint and protocol path, including alternate ports, legacy routes, recovery flows, service accounts, and machine-to-machine access.
  • Confirm which deployments enable the affected authentication mode and whether the interface is reachable from untrusted networks.
  • Review session, token, credential, and proxy trust configuration without attempting account takeover.

Remediate safely

  • Apply the supported fix and centralize fail-closed authentication before protected request handling.
  • Remove default or embedded credentials, rotate affected secrets and sessions, and bind authentication decisions to the intended audience and channel.
  • Add negative tests for alternate routes, malformed or absent credentials, recovery flows, and proxy-derived identity.

Authoritative sources

Complete CVE record and remediation plan

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