CVE intelligence and bounded remediation

CVE-2021-31477 — This vulnerability allows remote attackers to execute arbitrary code on affected installations of GE Reason RPV311 14A03

High CVSS 7.5

This vulnerability allows remote attackers to execute arbitrary code on affected installations of GE Reason RPV311 14A03. Authentication is not required to exploit this vulnerability. The specific flaw exists within the firmware and filesystem of the device. The firmware and filesystem contain hard-coded default credentials. An attacker can leverage this vulnerability to execute code in the context of the download user. Was ZDI-CAN-11852.

Severity
High
CVSS
7.5 (2.0)
Published
2021-06-16
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-798

Affected products

  • ge / reason_rpv311_firmware / 14a03

Matched remediation archetype

Authentication bypass and missing authentication

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

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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