CVE intelligence and bounded remediation

CVE-2021-44746 — Nec Univerge Dt830 Firmware security vulnerability

Medium CVSS 5.3

UNIVERGE DT 820 V3.2.7.0 and prior, UNIVERGE DT 830 V5.2.7.0 and prior, UNIVERGE DT 930 V2.4.0.0 and prior, IP Phone Manager V8.9.1 and prior, Data Maintenance Tool for DT900 Series V5.3.0.0 and prior, Data Maintenance Tool for DT800 Series V4.2.0.0 and prior allows a remote attacker who can access to the internal network, the configuration information may be obtained.

Severity
Medium
CVSS
5.3 (3.1)
Published
2022-02-01
CISA KEV
Not currently listed
Ecosystem
software/application

Affected products

  • nec / univerge_dt830_firmware
  • nec / univerge_dt820_firmware
  • nec / univerge_dt930_firmware
  • nec / univerge_dt900_data_maintenance_tool
  • nec / univerge_dt800_data_maintenance_tool
  • nec / univerge_ip_phone_manager

Matched remediation archetype

General vulnerability remediation

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

Check exposure

  • Confirm the affected component, deployment paths, reachable interfaces, and enabled features from inventories and configuration, without probing production destructively.
  • Compare the advisory's affected conditions with the repository lockfiles, build manifests, artifacts, and runtime inventory.
  • Identify data sensitivity, trust boundaries, and privilege level for every confirmed affected deployment.

Remediate safely

  • Apply a vendor-supported fix or remove the affected component or feature; record the selected change and its source in the repository.
  • Update direct and transitive dependency locks, generated artifacts, deployment manifests, and asset inventories together.
  • Add a regression test for the documented unsafe condition using inert inputs and preserve rollback instructions.

Authoritative sources

Complete CVE record and remediation plan

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