CVE intelligence and bounded remediation

CVE-2022-2757 — Kingspan Tms300 Cs Firmware security vulnerability

Critical CVSS 9.8

Due to the lack of adequately implemented access-control rules, all versions Kingspan TMS300 CS are vulnerable to an attacker viewing and modifying the application settings without authenticating by accessing a specific uniform resource locator (URL) on the webserver.

Severity
Critical
CVSS
9.8 (3.1)
Published
2022-12-13
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-287

Affected products

  • kingspan / tms300_cs_firmware

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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