SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-44746

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…

MEDIUM 5.3EPSS 1.07%

Does this matter?

Lower severity and a low EPSS score (1.07%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
1.07% probability · 65th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
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
Source
psirt-info@cyber.jp.nec.com
EPSS trend
0%3%5%26 October 2026: 1.07%26 October 202626 October 2026

EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.