CVE-1999-0990

LOW · CVSS 2.1 EPSS 0.42%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 1999-12-05 · Last synced 2026-08-04

CyberRota Analysis

This is a low severity vulnerability with a CVSS score of 2.1. See the original NVD description below for full technical details.

CVE

CVE-1999-0990

Severity

LOW

CVSS

2.1

EPSS

0.42%

Error messages generated by gdm with the VerboseAuth setting allows an attacker to identify valid users on a system.