CVE-2019-20031 describes a critical vulnerability in NEC UM8000 and UM4730 voicemail systems, allowing an unlimited number of login attempts via the telephone user interface (TUI). This permits brute-force attacks against user accounts. With a CVSS score of 9.1 (CRITICAL), the vulnerability is easily exploitable over the network with low complexity, requiring no user interaction or privileges, and could lead to complete compromise of confidentiality and integrity. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:nec:um8000_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:nec:um4730_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.