HOMEVULNERABILITIESCVE-2021-44746
MEDIUM

CVE-2021-44746

NVD-CWE-noinfoPublished: February 1, 2022· Updated: Jun 17, 2026

5.3
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2021-44746 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected Vendors & Products

nec9 product(s)
univerge dt830 firmwareuniverge dt830univerge dt820 firmwareuniverge dt820univerge dt930 firmwareuniverge dt930univerge dt900 data maintenance tooluniverge dt800 data maintenance tooluniverge ip phone manager
Source: NVD CPE · 9 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2021-44746
CVSS Score5.3 / 10
SeverityMEDIUM
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 1, 2022

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-44746 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.