Is CVE-2019-20025 actively exploited?

No active exploitation of CVE-2019-20025 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-20025 be exploited remotely?

Yes. CVE-2019-20025 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-20025?

CVE-2019-20025 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2019-20025

CWE-798Published: July 29, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Certain builds of NEC SV9100 software could allow an unauthenticated, remote attacker to log into a device running an affected release with a hardcoded username and password, aka a Static Credential Vulnerability. The vulnerability is due to an undocumented user account with manufacturer privilege level. An attacker could exploit this vulnerability by using this account to remotely log into an affected device. A successful exploit could allow the attacker to log into the device with manufacturer level access. This vulnerability affects SV9100 PBXes that are running software release 6.0 or higher. This vulnerability does not affect SV9100 software releases prior to 6.0.

NVD Source

Technical Analysis

CVE-2019-20025 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.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.