Netbus 1.5 through 1.7 allows more than one client to be connected at the same time, but only prompts the first connection for authentication, which allows remote attackers to gain access.
https://exchange.xforce.ibmcloud.com/vulnerabilities/11982
http://www.securityfocus.com/bid/7538
Source: Mitre, NVD
Published: 2003-12-31
Updated: 2017-07-29
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical