CVE intelligence and bounded remediation

CVE-2022-24044 — Siemens Desigo Dxr2 Firmware security vulnerability

High CVSS 7.5

A vulnerability has been identified in Desigo DXR2 (All versions < V01.21.142.5-22), Desigo PXC3 (All versions < V01.21.142.4-18), Desigo PXC4 (All versions < V02.20.142.10-10884), Desigo PXC5 (All versions < V02.20.142.10-10884). The login functionality of the application does not employ any countermeasures against Password Spraying attacks or Credential Stuffing attacks. An attacker could obtain a list of valid usernames on the device by exploiting the issue and then perform a precise Password Spraying or Credential Stuffing attack in order to obtain access to at least one account.

Severity
High
CVSS
7.5 (3.1)
Published
2022-05-20
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-307

Affected products

  • siemens / desigo_dxr2_firmware
  • siemens / desigo_pxc3_firmware
  • siemens / desigo_pxc4_firmware
  • siemens / desigo_pxc5_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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